| What is chainloading? |
| How to hide the partition in GRUB booting? (This technique is required when you have more that one Windows system on different partitions of the same disk, let us say the first and second partitions of the first hard drive, to boot from the first partition you must hide the second one) |
| How to shuffle the GRUB booting from one Disk to other? |
| What is the Difference between 'su' and 'su-' ? |
| explain about vnc |
| what is the booting process of linux systen and explain it,is the first process comes under the installation process. |
| Linux system monitoring Tools? |
| what is work of dns |
| difference b/w patches and packegs? and how to upgrade patches |
| what command would you use to find the hostname of the server if yo ony have the ip address? |
| What are the files to be used in the network installation of linux os? |
| Explain about kernel file in linux? |
| What is the command to see the installed rpm's in the linux system. |
| What is the command to see all the processes are working in the last 30 days? |
| How can we see the default gateway ip ini linux. |
| what is ldd? |
| in redhat Linux wat is the command to check at ahich date and time file was created? |
| what is the command to uninstall processes in linux? |
| what is the command for finding the higest memory occupied file in linux? |
| what are the linux boot files? |
| difference between nfs soft and hard mouniting points? |
| Q. If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred ? |
| I know ssh, telnet, dns,apache all are worked on TCP/UDP but i want to know any one service which are working on UDP only? |
| I want to built a fire wall using iptables. My condition is " inbound to 192.168.0.2 with a port of 80 from 172.168.0.1 should accept" |
| I want to see how many interfaces(ethernet cards) are working using single command? |
| What is the status code 403,404 represented in apache server? |
| How to monitor ports in a linux machine, with single command? |
| Difference between swap partition and swap file? |
| In my linux machine, i lost /etc/passwd file and /etc/shadow file, then how can i recover it? |
| I want to kill zombie process, but with using kill 9 i cannot kill that process? can u tell other commands? |
| How can I know my linux os is 32 bit or 64 bit? and How can i know my CPU is 32 bit or 64 bit in linux machine environment.? |
| My linux machine is crashed due to root file system, I need not to bother about the root file system, but i need to take care of /etc, /usr, like that.,, can i recover these file systems? |
| I lost a root password and i need to give it, I treid to change it through single usermode even though i am not get a password, then what is the other procedure to give a root password? |
| A file which is not deleted by normal user and also root (using rm), for that type of file how we delete it? |
| what r the different command to check ram,process and hdd of linux machine |
| if i have one folder say aaa and that folder having 100 files from that 50 files there aaa word is written how to find in which aaa is writen and without opening that file |
| if i run ls command it will show me the junk output what is problem and how to resolve it |
| what is snmp and for what purpose we are using in linux |
| what is linux utilities and editor |
| Hi All of Unix/Linux professional Q.Why soft link file not open by cat command. Ihave make following symbolic link but when i open with #cat linkfilename it does not oped please see the following code and try to answer. # ln -s file1 ~/mydir/filea [root@dhcppc0 ~]# cd mydir [root@dhcppc0 mydir]# ls -l total 4 lrwxrwxrwx 1 root root 5 2010-04-04 09:04 filea -> file1 [root@dhcppc0 mydir]# cat filea cat: filea: No such file or directory |
| WHAT IS THE MEANING IF AIX |
| 1). What are the situation in process is duplicate is linux box.? 2) Give me 5 situation to kill a process? |
| Why ls -F dev/log file output indicate as = sign at end of the file name? |
| how to call recursive grep function? |
| what is |
| How to reset root password via command Redhat 5.2 |
| how to see the system configuration in your linux system? |
| what is difference between $@ and $* in UNIX Shell script |
| What can you type at a command line to determine which shell you are using? |
| What are two subtle differences in using the more and the pg commands? |
| When you issue the command ls -l, what signifies the first character of the resulting display file? 701 What command can you use to determine the purpose of any command? |
| What is Write Command? |
| How can I only see the first 14 lines of a file? |
| How can I only see the last 5 lines of a file? |
| What command you use for cpio to create a backup called backup.cpio of all the users’ home dirs? |
| What is the command to list ALL (hidden also) files of current directory & it’s subdirectories? |
| To move /home/ben/memos dir in /home/bob/memos, what is the result by mv /home/ben/memos /home/bob |
| our wish to print the file vacations with 60 lines to a page. Which command will accomplish this? |
| Which two commands can you use to delete directories? |
| What command you execute to display the last five commands you have entered? |
| What command can you use to review boot messages? |
| Compare between SYS V launched processes and Xinetd processes in Linux. |
| Explain Backup Managment commands in Linux. |
| what are the init levels in Linux? |
| who invented unix? |
| Write a cron entry for the following scenario:- At 10:30 AM for every Sunday of every 1st month of a quarter. |
| 1. Why "d" is postfix in almost every service name of Linux like httpd, dhcpd? 2. how to restrict su & ssh services for some users? 3. how can we configure a default gateway for 10 n/w cards in a server? |
| How to block the message in wall command some students are send messages to all in the lab. please help me |
| i dont know root password then this situation can we change or break root password to ant process |
| what is the difference between RHEL4 & RHEL5? |
| what is the command to make a process to run in the foreground from background? |
| how to give a normal user reboot and shutdown permission? Plz also mention the step. |
| what is the difference between service and process? |
| how to view crond status? If it's show service is not found. |
| what is the command to view gateway? |
| my clients are getting services from servers but how to know which client is using which service. is there any files to keep information about these? clients used ftp, |
| i am working in one company and i attend intervew they asked why do u want to chage company pls give me inteligent answar |
| how many hard disks can i able to connect to desktop pc and server (IDE & SATA) pls send this ans to my mail : ping2pavan@gmail.com |
| How to FTP user access other directory except his own home directory ? |
| what are the Linux-based security tools? |
| what are the basic elements of firewall? |
| what is a command to display top 10 users who are using Huge Space? |
| What is the command to remove Lvm ,Pv and vg |
| can some one tell me the steps(with commands) to create LVM in RHEL 5???? |
| In which File is Static IP address given so that it becomes Permanent ? |
| To Check Which Service is Running at Present in System what is the Command? |
| what is emacs editor and feature........??????????????????????????? |
| You have a computer with 80 GB hard disk and Ubuntu 8.04 is installed on entire hard disk. Now you have to create a seprate partition for Windows OS and Install Win Xp as Dual boot. write down the steps involed along with the commands. |
| which command is used to see all the system configuration? like hardware, HDD, memory etc. |
| What are the basic commands in LINUX? |
| what are the features of Linux? |
| What is an inode? |
| can anyone proide me reading material on svit00ef27@yahoo.com please thanx in advance |
| how to create SAMBA server in fedora 9 linux ? |
| when i create SAMBA server it is ok but while i try for access from windows pc he ask me only first time smb password then i close samba login next time he can`t ask for passwd why.? |
| I have Laptop. I want to assign DHCP ip address, but in my Laptop having Wireless and with wire NIC cards, it is possible to assign reserve ip address for both NIC card, but same host name? |
| Write a command to find all of the files which have been accessed within the last 30 days. |
| How to schedule cron backup to run on 4th saturday of month?? |
| how to see unallocated hard disk space on linux |
| hi friends how to reinstall the grub.conf file. once i delete the grub file in perminatle ofter how to get back that file. plz send me ans. regards. madhu.m |
| find out what file systems supported by kernel? |
| how to add linux user to group? |
| how do u extract files from iso cd images in linux? |
| how do u find remote machine operating system and version? |
| how do you port scaning with netcat command? |
| how do find all failed login attempts via ssh? |
| How do display error messages instantly when command fails? |
| How do find hard disk revolutions speed? |
| when zombie process fully cleared? |
| how do you configure linux system as a router? |
| How do you read ext2/3 file system in windows? |
| Which priority has the process?how do u view? |
| Any one example of uninteruptable sleeping process? |
| how many limitations of under directories in ext2/3 linux file system? |
| what is a superblock ? |
| what is the command to check network interfaces in our system? how to set etho to 10 full duplex speed? |
| what is the UID and GID of root user? Can a normal user can change the ownership of a file? what is the command to change ownership of a file? |
| what is soft mount and hard mount? i have to make permanent nfs mount permanent what shall i do? |
| what is major and minor? |
| what is the command to make a process to run in the background from foreground? |
| 1.what is Kernel parameters? 2.how many cpu have use in your machine? |
| 1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in |
| how to run the boot loader in the linux....... |
| what is user mode & kernel mode? |
| what is the diff b/w ext2 and ext3? |
| what is initrd image? |
| what is jumbi process? |
| My machine is running half duplex mode how to change half duplex to full duplex? |
| some one is asking my machine is slow what is your steps? |
| what is mean by system calls |
| What is trusted/untrusted operating system? |
| Working in Linux/Unix platform, if any command dose not work, say # ls reports as command not found. what to do? |
| why do u want to join this company |
| in unix how to change old name to new name |
| what is the standard output in a file as well as disply it on the terminal options like A)pr B) tail C) tee D)nl |
| what is command like " #(cd unixos; pwd) " tell me OUTPUT |
| in unix how to change old name to new name |
| what is "ls* " is run options are 1) x 2).x 3) hidden 4) no disply tell exact answer. |
| tell me command for" to create more than one name to a file". |
| how to create a new file command |
| what is command for "calj2007" |
| how is "to run even after user logs out" |
| what is QUOTA-V |
| what is the command To print script arguments |
| how is the possible the "last 10 files present in the current directory and stores them in the file list". |
| script is like x=10; y=20; [$x-ne$y]; echo $ please give me output. |
| what is Bourne shell. |
| How will retrieves incoming mails from different web sites |
| Diff b/w C-shell and Born-shell |
| ls -l ls -t ls -r ls -a ls -ltr ls -u grep error file.txt grep -v error file.txt perl prg.pl | ./file.txt tee chmod +x chmod -x chmod =x ps bg date +%y%m%d ? |
| What would you do when all the processess hangs and there is no other option in unix? |
| Did you ever write any inerface files / profile file to support unix environment setup ? |
| How will you execute a java program inside a kornshell script? |
| How would you find whether a remote server is up or not? |
| How do you find out the server processes running? |
| How do you rate yourself in unix(if 0 is novice and 10 is sys admin)? |
| Did you work with linux? What flavors and versions? |
| have you ever got warning message from unix admin that file system running out of space or not enough disk space?what will u do? |
| How will retrieves incoming mails from different web sites |
| Please send Security on linux related questions and answers. |
| Set the Display automatically for the current new user ? |
| Display the Disk Usage of file sizes under each directory in currentDirectory ? |
| What does the following command line produce? Explain each aspect of this line. $ (date ; ps -ef | awk {print $1}' | sort | uniq | wc -l ) >> Activity.log |
| What is the most graceful way to get to run level single user mode? |
| difference between Tcp and udp |
| How can you find configuration on linux? |
| What does the top command display? |
| How you will uncompress the file? |
| What u know abt tar Command? |
| List all the files beginning with A |
| When is it better to use the more command rather than cat command? |
| in LINUX,What are two subtle differences in using the more and the pg commands? |
| Send me some of the commands being used in linux |
| What are the IPC techniques ? explain each |
| How to transfer a file from windows xp to RHEL5(LINUX) with bootable os?.... |
| How do I get typed command history in vi editor |
| i want to do linux. i am completed b.sc. in physics i want to do carrier in linux newgeneration which cource will confartable give me solution |
| who are the author of LINUX operation system? |
| what is symbolic link in unix ??? |
| Why do we have serial and parallel interface, which one was faster and why and when we should go for this interface. |
| How shared memory are accessed if we have two processors trying to acquire the same region. |
| What does ?route? command do? |
| Which tool would you use to update Debian / Slackware / RedHat / Mandrake / SuSE ? |
| Which distro you prefer? Why? |
| Why have you choosen such a combination of products? |
| Which Linux distros do you have experience with? |
| What are the Advantages and disadvantages of script vs compiled program? |
| how can install Linux OS along with fedora 14 OS in one System |
| What is the detail boot process in linux? Start form Pc on..? |
| Is it possible to install Linux RHEL5 os along with fedora14 linux os in one system ? |
| Is it possible to install Linux RHEL5 os along with fedora14 linux os in one system ? |
| how is FAT32 file system mounted in linux file system? |
| Name key files or directories on a unix system that should always be backed up? |
| How deadlocks are handled in linux ? |
| what is trap signal |
| Please explain the file structure of linux? |
| i have installed linux 4 version in my system. after installation can i increase the size of the folder.. |
| What is the command for displaying, in which shell we are working. |
| What is the command for displaying, in which shell we are working. |
| Hi, We are porting our application from linux 2.4 to 2.6.Its an medical equipment.So just want to know how could i perform balck box testing on this.Please let me know the scenarios as well. |
| Hi All we are porting are application from linux 2.4 to 2.6 .Please let me know what kind of manual balck box testing we can use to test application and how. |
| How to set path and classpath for java in linux |
| Can anybody tell me the step by step how to install raid-5 |
| why LINUX is fast processing software and why it does not get viruses. |
| Is it possible to give access to a nfs share to a particular user in a particular system? |
| what is difference between nfs server version 2,3 and 4? please tell me as many as differrnces? |
| what are the various backup tools available in linux |
| how many types of user accounts are available in linux os? if i assign a uid below 500 to a normal user..wat wil be happened? |
| how nfs server works in linux.........please mention the nfs server working process |
| what is the difference between samba and ftp server in linux? please mention as many as differneces? |
| why kerberos.............what its need |
| what is the use of |
| Is it possible to reduce the size of a already created partition? If yes how......please post solution for me |
| In my server squid is configured,and in my client machine i am using proxy (connection settings... proxy server ip) i configured..in server orkut.com is blocked, is it possible to use orkut even when i am using proxy at client side..... |
| In my server squid is configured,and in my client machine i am using proxy (connection settings... proxy server ip) i configured..in server orkut.com is blocked, is it possible to use orkut even when i am using proxy at client side..... |
| In /etc/fstab, wat is the meaning of 'defaults' word and 0 0 indicates which options? |
| In linux wat is the command to see on which port which service is running? and wat is the differnece between /etc/services file and netstat command |
| wat is the differnces between scp and rsync in linux? |
| is it possible to break the grub password in linux |
| What is difference between ext3 and ext4 file-system ? |
| can we open pdf files in suse? |
| can we open microsoft word document,power point etc. on linux suse version and vise versa? if no how can we convert this? |
| Boot sequence of linux on embedded platform |
| Is there any specific way to identify whether a data transfer done is a DMA(Direct Memory Access) transfer, thereby seeing the code snippets? |
| Why halt -p command needs root in ubuntu if one wants to shut it down? |
| Why you shouldn’t use the root login |
| Is the Linux as same as Unix? |
| What exactly is this Linux? |
| Who is Linus Torvalds? |
| How the Linux is licensed? |
| How Does One Pronounce Linux? |
| How Many People Use Linux? |
| Who owns data dictionary? |
| What are the signals we have in Linux? |
| What is the use of proc structure? |
| What is segmentation fault? |
| What is the use of thread over process? |
| What is the main advantage of creating links to a file instead of copies of the file? |
| In Linux OS, what is the file server? |
| How big should the swap-space partition be? |
| Why you shouldn’t use the root login? |
| What account is created when you install Linux? |
| Where is standard output usually directed? |
| Explain the read, write, and execute permissions on a UNIX directory |
| How can you view a file? |
| How do you change permissions on a directory of file? |
| List all the files with ‘.mem’ extension in reverse alphabetical order in a particular directory? |
| What file defines the levels of messages written to system log files? |
| When you create a new partition, in what terms you need to designate its size |
| Do you know the correct sequence of fields in /etc/passwd file? |
| Which file defines all users on your system? |
| Which partitioning tool is available in all distributions? |
| Which partitions might you create on mail server HDDs other than the root, swap and boot partitions? |
| What is the minimum number of partitions you need to install Linux? |
| what is meant by mysql clustering |
| how can i make an user to nologin without locking the account for the user |
| What are main anti-spam features available in sendmail? |
| How to sort a file of size 2N bytes, if I have N bytes of memory? |
| How can i recover the linux system after it was crashed by step by step process.. |
| My root password has been changed, how can i enter into the system without root password? |
| Tell me command which is use for create quota database in Linux. |
| Without using w command how can Iknow that who are users logged in and what they are doing and whether they are idle or running mode? |
| What are the questions we are expecting for 2yrs. experience guy for linux company interview questions? |
| Without Using $date -dyesterday. How I get the yesterday's date ? |
| there are many IPC mechanisms available in Linux ? Which one is best to use and when ? |
| what are acl permissions..? what is automation of jobs..? |
| what is the difference between |
| cups stands for..? |
| what are the default permissions for files and folders..? |
| expalin the process of kickstart installation? |
| In how many ways linux can be installed n explain th steps involved in installation in any of the method..? |
| commands regarding the adding of users into groups n different options with useradd...? |
| what is |
| what are the different types of Backups..? |
| what is the difference betweenh the NFS and FTP? |
| i installed clustering packages.When i try to run it getting LUCI error...what is it..?? |
| what is memory mapped / IO mapped ? Which calls used for this to access any hardware address in linux device driver ? |
| Friends, I don't have enough free space in root directory. but in home directory I have 40gb free. So I can not install anything in root directory (which occupies more space) Please suggest me If there is any possibility to increase the root directory size by minimising the home directory's. |
| am installed windows and later i installed ubuntu i want to unistall ubuntu can any one tel the procedure to uninstall ubuntu in my windows 7 please mail to me ---kiranpulsar2007@gmail.com and later i want to install ubuntu after uninstalling ubuntu tel the procedure for that also i dont know to patrition the hard disk drive please tel to them please reply |
| I have accidently deleted my fstab... how do i recover/ regenerate the file?????? in rescue mode i cannot create a new file since the filesystem is readonly and could not mount in readwrite mode ????????? |
| What is the difference between RedHat linux and Fedora and Ubuntu? |
| Tell me the 5 differences between Linux and Unix? |
| What is the difference between semaphore and spinlock? |
| I want to send pop-up message to samba users when they access the shared folder.... for eg: i want to tell them (dont copy mp3 and video files) |
| i want to install XP on RHEL5 with virtualization tell me step by step configuration |
| How to apply patch for multiple servers . |
| How to recover a deleted file in linux ? |
| how do you configure linux system as a router? |
| How do display error messages instantly when command fails? |
| My Linux server in the two lan card one lan card is ok working but second lan card after restart daily lan card deactivate and then manual activate then properly working but after restart repeat this problem.(Fedora O.S.) Pls tell me solved this problem. |
| Hi all Could u plz tell me how I can get UNIX/Linux Certification |
| How do i check which nfs version I am using ???????? |
| How to ""Add"" not replace address to same network card other than the alias way.... ?????? |
| how do i check which package has installed some command suppose ls , mkdir or whatever ??? |
| Through ssh whole directory structure from / is shared regardless the user we have connected with ....... how do i prevent sharing ?? |
| someone already asked 'what is diff between unix & Linux' can I ask the same but more nuanced...I have 7 years app support of unix, have never seen Linux BUT need to bluff my way through in an interview i e say that I have use Linux. What are the most important things I need to know? |
| in linux gui desktop icon was lost how con u back this icons |
| 1 which file contains information about os wether it's 32 bit or 64 bit os 2 difference between logical block and physical block?? 3 what is the size of logical block and physical block?? 4 daemon for nfs on client end as well as server end??? 5 how to confirm from client end about nfs server sharing?? 6 what contains information about file and directory creating time or modification time?? |
| How to trace any process background processing? |
| How to build new filesystem ? and what is irig file system? |
| What is the difference between Telnet and SSH? |
| what is the difference between unix and linux... |
| will u plz send me the complete steps of installation of red hat linux on intel's core 2 duo processor? |
| What are the main differences between RHEL4 & RHEL5? |
| why accounting Software does not support on linux? |
| i want some basic level enterview questions can any one can help me in this |
| how can i create samba server in fedora 9.0 ? and domain/LDAP controller! clilent side is windows pc .? |
| When you install RedHat what is the kernel mode ? What is kernel compilation / upgrade ? |
| How to give 2 different gateway IP addresses for 2 different interfaces in same system ? |
| There are 4 network Interfaces, how can we find which one is Primary. |
| How To Hide the FTP Version? |
| how to install linux OS? pls send step by step |
| How to check all open ports on linux machine and block unsed ports???????? |
| what is the difference between semaphore, mutex & spinlock????? |
| what is the difference between fork and thread ? and parent and child process in fork system call? |
| how u use the iptable firewall to restrict ssh,telnet,ftp |
| what restrict telnet for root itself but allow for other user |
| what is difference between inetd and xinetd |
| How to send automated email to a set of people at fixed time ? |
| What is LILO? |
| What file should you examine to determine the defined runlevels for your system? |
| What is the complete name of the default configuration file for LILO? |
| What text filter can you use to display a binary file in octal numbers? |
| What is the name and path of the main system log? |
| What is the minimum number of partitions you need to install Linux? |
| What command can you use to review boot messages? |
| What utility can you use to automate rotation of logs? |
| You want to create a compressed backup of the users' home directories. What utility should you use? |
| Where is standard output usually directed? |
| Who owns the data dictionary? |
| How does the boot process[init levels] work on Linux? How is it different from Solaris? |
| What are RPM?s, what do they offer? |
| tell me some of the Linux HotKeys do you know? |
| How can you see all mounted drives? |
| Which directory is closer to the top of the file system tree, parent directory or current directory? |
| What is the difference between home directory and working directory? |
| What is the difference between an argument and an option/switch? |
| what is meant by mysql clustering |
| how can i make an user to nologin without locking the account for the user |
| What is chainloading? |
| How to hide the partition in GRUB booting? (This technique is required when you have more that one Windows system on different partitions of the same disk, let us say the first and second partitions of the first hard drive, to boot from the first partition you must hide the second one) |
| How to shuffle the GRUB booting from one Disk to other? |
| What is the Difference between 'su' and 'su-' ? |
| What are main anti-spam features available in sendmail? |
| explain about vnc |
| how can install Linux OS along with fedora 14 OS in one System |
| what is the booting process of linux systen and explain it,is the first process comes under the installation process. |
| What is the detail boot process in linux? Start form Pc on..? |
| Is it possible to install Linux RHEL5 os along with fedora14 linux os in one system ? |
| Is it possible to install Linux RHEL5 os along with fedora14 linux os in one system ? |
| I would like to know whether Simado and Setu products are they EPBX or not ? |
| How to create secured appeche web sever ? |
| Linux system monitoring Tools? |
| linux file defaults permition |
| what is work of dns |
| how is FAT32 file system mounted in linux file system? |
| Name key files or directories on a unix system that should always be backed up? |
| difference b/w patches and packegs? and how to upgrade patches |
| How deadlocks are handled in linux ? |
| what command would you use to find the hostname of the server if yo ony have the ip address? |
| What are the files to be used in the network installation of linux os? |
| Explain about kernel file in linux? |
| What is the command to see the installed rpm's in the linux system. |
| How to sort a file of size 2N bytes, if I have N bytes of memory? |
| what is trap signal |
| Please explain the file structure of linux? |
| i have installed linux 4 version in my system. after installation can i increase the size of the folder.. |
| How can i recover the linux system after it was crashed by step by step process.. |
| What is the command to see all the processes are working in the last 30 days? |
| My root password has been changed, how can i enter into the system without root password? |
| How can i recover the linux system after it was crashed. I want step by step process. |
| what do you mean LD_LIBRARY_PATH? What LD_LIBRARY_PATH does |
| How can we see the default gateway ip ini linux. |
| What is the command for displaying, in which shell we are working. |
| What is the command for displaying, in which shell we are working. |
| what is ldd? |
| how to get client port number in server socket programming?? |
| how to get client port number in server socket programming?? |
| Hi, We are porting our application from linux 2.4 to 2.6.Its an medical equipment.So just want to know how could i perform balck box testing on this.Please let me know the scenarios as well. |
| Hi All we are porting are application from linux 2.4 to 2.6 .Please let me know what kind of manual balck box testing we can use to test application and how. |
| How to set path and classpath for java in linux |
| in redhat Linux wat is the command to check at ahich date and time file was created? |
| Tell me command which is use for create quota database in Linux. |
| Can anybody tell me the step by step how to install raid-5 |
| differtent ways of creating threads???? other than pthread |
| what is the command to uninstall processes in linux? |
| what is the command for finding the higest memory occupied file in linux? |
| Without using w command how can Iknow that who are users logged in and what they are doing and whether they are idle or running mode? |
| What are the questions we are expecting for 2yrs. experience guy for linux company interview questions? |
| Without Using $date -dyesterday. How I get the yesterday's date ? |
| what are the linux boot files? |
| difference between nfs soft and hard mouniting points? |
| why LINUX is fast processing software and why it does not get viruses. |
| Q. If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred ? |
| I know ssh, telnet, dns,apache all are worked on TCP/UDP but i want to know any one service which are working on UDP only? |
| I want to built a fire wall using iptables. My condition is " inbound to 192.168.0.2 with a port of 80 from 172.168.0.1 should accept" |
| I want to see how many interfaces(ethernet cards) are working using single command? |
| What is the status code 403,404 represented in apache server? |
| How to monitor ports in a linux machine, with single command? |
| Difference between swap partition and swap file? |
| In my linux machine, i lost /etc/passwd file and /etc/shadow file, then how can i recover it? |
| I want to kill zombie process, but with using kill 9 i cannot kill that process? can u tell other commands? |
| How can I know my linux os is 32 bit or 64 bit? and How can i know my CPU is 32 bit or 64 bit in linux machine environment.? |
| My linux machine is crashed due to root file system, I need not to bother about the root file system, but i need to take care of /etc, /usr, like that.,, can i recover these file systems? |
| I lost a root password and i need to give it, I treid to change it through single usermode even though i am not get a password, then what is the other procedure to give a root password? |
| A file which is not deleted by normal user and also root (using rm), for that type of file how we delete it? |
| what r the different command to check ram,process and hdd of linux machine |
| if i have one folder say aaa and that folder having 100 files from that 50 files there aaa word is written how to find in which aaa is writen and without opening that file |
| if i run ls command it will show me the junk output what is problem and how to resolve it |
| what is snmp and for what purpose we are using in linux |
| Is it possible to give access to a nfs share to a particular user in a particular system? |
| what is difference between nfs server version 2,3 and 4? please tell me as many as differrnces? |
| what is linux utilities and editor |
| Hi All of Unix/Linux professional Q.Why soft link file not open by cat command. Ihave make following symbolic link but when i open with #cat linkfilename it does not oped please see the following code and try to answer. # ln -s file1 ~/mydir/filea [root@dhcppc0 ~]# cd mydir [root@dhcppc0 mydir]# ls -l total 4 lrwxrwxrwx 1 root root 5 2010-04-04 09:04 filea -> file1 [root@dhcppc0 mydir]# cat filea cat: filea: No such file or directory |
| what are the various backup tools available in linux |
| how many types of user accounts are available in linux os? if i assign a uid below 500 to a normal user..wat wil be happened? |
| how nfs server works in linux.........please mention the nfs server working process |
| what is the difference between samba and ftp server in linux? please mention as many as differneces? |
| there are many IPC mechanisms available in Linux ? Which one is best to use and when ? |
| why kerberos.............what its need |
| what is the use of |
| Is it possible to reduce the size of a already created partition? If yes how......please post solution for me |
| In my server squid is configured,and in my client machine i am using proxy (connection settings... proxy server ip) i configured..in server orkut.com is blocked, is it possible to use orkut even when i am using proxy at client side..... |
| In my server squid is configured,and in my client machine i am using proxy (connection settings... proxy server ip) i configured..in server orkut.com is blocked, is it possible to use orkut even when i am using proxy at client side..... |
| In /etc/fstab, wat is the meaning of 'defaults' word and 0 0 indicates which options? |
| In linux wat is the command to see on which port which service is running? and wat is the differnece between /etc/services file and netstat command |
| wat is the differnces between scp and rsync in linux? |
| what are acl permissions..? what is automation of jobs..? |
| what is the difference between |
| cups stands for..? |
| what are the default permissions for files and folders..? |
| expalin the process of kickstart installation? |
| In how many ways linux can be installed n explain th steps involved in installation in any of the method..? |
| commands regarding the adding of users into groups n different options with useradd...? |
| what is |
| what are the different types of Backups..? |
| what is the difference betweenh the NFS and FTP? |
| i installed clustering packages.When i try to run it getting LUCI error...what is it..?? |
| is it possible to break the grub password in linux |
| What are the IPC techniques ? explain each |
| WHAT IS THE MEANING IF AIX |
| what is memory mapped / IO mapped ? Which calls used for this to access any hardware address in linux device driver ? |
| Q. what is the difference between socket & port ? |
| Why bind system call is required in socket programming ? what is it;s Significance ? |
| if one of the critical section code (linked list) is under ISR & another one in kernel thread ? How you will synchronize for this critical section code ? |
| What is atomic function / atomic variable ? |
| what is stored at /lib/modules ? |
| what is stored in /proc ? what is significance of /proc in linux ? |
| what are the different ways the Linux can swich from User Space to Kernel Space & vice-versa ? |
| what kind of information the linux driver modules (.ko ) files has ? |
| what happens when we do insmod & rmmod in Linux Device Drivers ? |
| What is difference between ext3 and ext4 file-system ? |
| 1). What are the situation in process is duplicate is linux box.? 2) Give me 5 situation to kill a process? |
| can we open pdf files in suse? |
| can we open microsoft word document,power point etc. on linux suse version and vise versa? if no how can we convert this? |
| Boot sequence of linux on embedded platform |
| what are different ways the context switch happens from user to kernel space or vice-versa ? |
| what is the difference between user APIs and kernel system calls ? |
| Is there any specific way to identify whether a data transfer done is a DMA(Direct Memory Access) transfer, thereby seeing the code snippets? |
| Friends, I don't have enough free space in root directory. but in home directory I have 40gb free. So I can not install anything in root directory (which occupies more space) Please suggest me If there is any possibility to increase the root directory size by minimising the home directory's. |
| Why halt -p command needs root in ubuntu if one wants to shut it down? |
| Why ls -F dev/log file output indicate as = sign at end of the file name? |
| am installed windows and later i installed ubuntu i want to unistall ubuntu can any one tel the procedure to uninstall ubuntu in my windows 7 please mail to me ---kiranpulsar2007@gmail.com and later i want to install ubuntu after uninstalling ubuntu tel the procedure for that also i dont know to patrition the hard disk drive please tel to them please reply |
| how to call recursive grep function? |
| How to get microseconds of system time from Redhat Linux 4.0 |
| I have accidently deleted my fstab... how do i recover/ regenerate the file?????? in rescue mode i cannot create a new file since the filesystem is readonly and could not mount in readwrite mode ????????? |
| what is |
| What is the difference between RedHat linux and Fedora and Ubuntu? |
| Tell me the 5 differences between Linux and Unix? |
| What is the difference between semaphore and spinlock? |
| How to reset root password via command Redhat 5.2 |
| how to see the system configuration in your linux system? |
| I want to send pop-up message to samba users when they access the shared folder.... for eg: i want to tell them (dont copy mp3 and video files) |
| what is difference between $@ and $* in UNIX Shell script |
| Why you shouldn’t use the root login |
| i want to install XP on RHEL5 with virtualization tell me step by step configuration |
| How to apply patch for multiple servers . |
| How to recover a deleted file in linux ? |
| how do you configure linux system as a router? |
| How do display error messages instantly when command fails? |
| What can you type at a command line to determine which shell you are using? |
| What are two subtle differences in using the more and the pg commands? |
| When you issue the command ls -l, what signifies the first character of the resulting display file? 701 What command can you use to determine the purpose of any command? |
| What is Write Command? |
| How can I only see the first 14 lines of a file? |
| How can I only see the last 5 lines of a file? |
| What command you use for cpio to create a backup called backup.cpio of all the users’ home dirs? |
| What is the command to list ALL (hidden also) files of current directory & it’s subdirectories? |
| To move /home/ben/memos dir in /home/bob/memos, what is the result by mv /home/ben/memos /home/bob |
| our wish to print the file vacations with 60 lines to a page. Which command will accomplish this? |
| Which two commands can you use to delete directories? |
| What command you execute to display the last five commands you have entered? |
| What command can you use to review boot messages? |
| Is the Linux as same as Unix? |
| What exactly is this Linux? |
| Who is Linus Torvalds? |
| How the Linux is licensed? |
| How Does One Pronounce Linux? |
| How Many People Use Linux? |
| Who owns data dictionary? |
| What are the signals we have in Linux? |
| What is the use of proc structure? |
| What is segmentation fault? |
| What is the use of thread over process? |
| What is the main advantage of creating links to a file instead of copies of the file? |
| In Linux OS, what is the file server? |
| How big should the swap-space partition be? |
| Why you shouldn’t use the root login? |
| What account is created when you install Linux? |
| Where is standard output usually directed? |
| Explain the read, write, and execute permissions on a UNIX directory |
| How can you view a file? |
| How do you change permissions on a directory of file? |
| List all the files with ‘.mem’ extension in reverse alphabetical order in a particular directory? |
| What file defines the levels of messages written to system log files? |
| When you create a new partition, in what terms you need to designate its size |
| Do you know the correct sequence of fields in /etc/passwd file? |
| Which file defines all users on your system? |
| Which partitioning tool is available in all distributions? |
| Which partitions might you create on mail server HDDs other than the root, swap and boot partitions? |
| What is the minimum number of partitions you need to install Linux? |
| My Linux server in the two lan card one lan card is ok working but second lan card after restart daily lan card deactivate and then manual activate then properly working but after restart repeat this problem.(Fedora O.S.) Pls tell me solved this problem. |
| Hi all Could u plz tell me how I can get UNIX/Linux Certification |
| Compare between SYS V launched processes and Xinetd processes in Linux. |
| Explain Backup Managment commands in Linux. |
| what are the init levels in Linux? |
| who invented unix? |
| How to transfer a file from windows xp to RHEL5(LINUX) with bootable os?.... |
| Write a cron entry for the following scenario:- At 10:30 AM for every Sunday of every 1st month of a quarter. |
| 1. Why "d" is postfix in almost every service name of Linux like httpd, dhcpd? 2. how to restrict su & ssh services for some users? 3. how can we configure a default gateway for 10 n/w cards in a server? |
| How to block the message in wall command some students are send messages to all in the lab. please help me |
| i dont know root password then this situation can we change or break root password to ant process |
| what is the scope and packages being offered after the linux course completion,i'm really waitin for the answer? |
| what is the difference between RHEL4 & RHEL5? |
| How do I get typed command history in vi editor |
| How do i check which nfs version I am using ???????? |
| How to ""Add"" not replace address to same network card other than the alias way.... ?????? |
| how do i check which package has installed some command suppose ls , mkdir or whatever ??? |
| Through ssh whole directory structure from / is shared regardless the user we have connected with ....... how do i prevent sharing ?? |
| what is the command to make a process to run in the foreground from background? |
| how to give a normal user reboot and shutdown permission? Plz also mention the step. |
| what is the difference between service and process? |
| how to view crond status? If it's show service is not found. |
| what is the command to view gateway? |
| someone already asked 'what is diff between unix & Linux' can I ask the same but more nuanced...I have 7 years app support of unix, have never seen Linux BUT need to bluff my way through in an interview i e say that I have use Linux. What are the most important things I need to know? |
| my clients are getting services from servers but how to know which client is using which service. is there any files to keep information about these? clients used ftp, |
| i am working in one company and i attend intervew they asked why do u want to chage company pls give me inteligent answar |
| how many hard disks can i able to connect to desktop pc and server (IDE & SATA) pls send this ans to my mail : ping2pavan@gmail.com |
| in linux gui desktop icon was lost how con u back this icons |
| i want to do linux. i am completed b.sc. in physics i want to do carrier in linux newgeneration which cource will confartable give me solution |
| 1 which file contains information about os wether it's 32 bit or 64 bit os 2 difference between logical block and physical block?? 3 what is the size of logical block and physical block?? 4 daemon for nfs on client end as well as server end??? 5 how to confirm from client end about nfs server sharing?? 6 what contains information about file and directory creating time or modification time?? |
| How to FTP user access other directory except his own home directory ? |
| what are the Linux-based security tools? |
| what are the basic elements of firewall? |
| what is a command to display top 10 users who are using Huge Space? |
| What is the command to remove Lvm ,Pv and vg |
| can some one tell me the steps(with commands) to create LVM in RHEL 5???? |
| In which File is Static IP address given so that it becomes Permanent ? |
| To Check Which Service is Running at Present in System what is the Command? |
| How to trace any process background processing? |
| plz mention some interesting problems you faced and how you solved it? |
| what is emacs editor and feature........??????????????????????????? |
| You have a computer with 80 GB hard disk and Ubuntu 8.04 is installed on entire hard disk. Now you have to create a seprate partition for Windows OS and Install Win Xp as Dual boot. write down the steps involed along with the commands. |
| How to build new filesystem ? and what is irig file system? |
| which command is used to see all the system configuration? like hardware, HDD, memory etc. |
| What is the difference between Telnet and SSH? |
| what is the difference between unix and linux... |
| what is mean by raid and what are all raids available even in software and hardware? |
| why the kernel panic error was appering? |
| will u plz send me the complete steps of installation of red hat linux on intel's core 2 duo processor? |
| What are the main differences between RHEL4 & RHEL5? |
| A _____ cpu is a cpu that has a speed greater than the speed that was originally intended for the processor. |
| When performing a Linux installation the____ command can be typed to start the installation without framebuffer support |
| A _____Bios automatically assigns the necessary configuration information (IRQ's I/O addresses, and DMAS) to devices and avoid conflicts. |
| An extended partition can contain many sub partitions called_______ |
| At installation,Red Hat Fedora Linux creates a symbolic link called _____ to the appropriate cd-rom device |
| What are the basic commands in LINUX? |
| why accounting Software does not support on linux? |
| please advice me what i have to prepare for NIC Exam(22-feb- 09). send me the question pattern for the 2 hrs exam. please sent it to manivannan_it15@yahoo.co.in |
| i want some basic level enterview questions can any one can help me in this |
| how can i create samba server in fedora 9.0 ? and domain/LDAP controller! clilent side is windows pc .? |
| When you install RedHat what is the kernel mode ? What is kernel compilation / upgrade ? |
| How to give 2 different gateway IP addresses for 2 different interfaces in same system ? |
| There are 4 network Interfaces, how can we find which one is Primary. |
| what are the features of Linux? |
| What is an inode? |
| can anyone proide me reading material on svit00ef27@yahoo.com please thanx in advance |
| How To Hide the FTP Version? |
| how to create SAMBA server in fedora 9 linux ? |
| when i create SAMBA server it is ok but while i try for access from windows pc he ask me only first time smb password then i close samba login next time he can`t ask for passwd why.? |
| how to create samba server in fedora linux 9 ? |
| I have Laptop. I want to assign DHCP ip address, but in my Laptop having Wireless and with wire NIC cards, it is possible to assign reserve ip address for both NIC card, but same host name? |
| how to create a ftp user on redhat linux 4.0? |
| what is cups and how to configure? |
| what are the backup utilites on red hat linux 4.0? |
| how to configure http server on red hat linux4.0? |
| what is sudo on linux? |
| what is iptabe on redhat linux? |
| what is samba, what is configuration file, how it will work? |
| what is |
| how to configure sendmail server on red hat linux version 4 and what and all we Require? |
| how to configure ftp server on redhat linux? |
| linux system its not booting up its showing groub error what i need to do? |
| What is the Diffrent between Redhat linux And suse linux |
| if root user forget the password how to change it? |
| How to give the root permision to users? |
| how to install linux OS? pls send step by step |
| How to check all open ports on linux machine and block unsed ports???????? |
| Write a command to find all of the files which have been accessed within the last 30 days. |
| what is the difference between semaphore, mutex & spinlock????? |
| How to schedule cron backup to run on 4th saturday of month?? |
| how to see unallocated hard disk space on linux |
| hi friends how to reinstall the grub.conf file. once i delete the grub file in perminatle ofter how to get back that file. plz send me ans. regards. madhu.m |
| who are the author of LINUX operation system? |
| what is crondtab daemon? |
| find out what file systems supported by kernel? |
| how to add linux user to group? |
| how do u extract files from iso cd images in linux? |
| how do u find remote machine operating system and version? |
| how do you port scaning with netcat command? |
| how do find all failed login attempts via ssh? |
| How do display error messages instantly when command fails? |
| How do find hard disk revolutions speed? |
| when zombie process fully cleared? |
| how do you configure linux system as a router? |
| How do you read ext2/3 file system in windows? |
| Which priority has the process?how do u view? |
| Any one example of uninteruptable sleeping process? |
| how many limitations of under directories in ext2/3 linux file system? |
| what is a superblock ? |
| what is the command to check network interfaces in our system? how to set etho to 10 full duplex speed? |
| what is the UID and GID of root user? Can a normal user can change the ownership of a file? what is the command to change ownership of a file? |
| what is soft mount and hard mount? i have to make permanent nfs mount permanent what shall i do? |
| what is major and minor? |
| what is the command to make a process to run in the background from foreground? |
| 1.what is Kernel parameters? 2.how many cpu have use in your machine? |
| 1.I want to change runlevel but the Users shall not be disturbed?how? 2.Disk have 5gb disk utilization even though files unable to create, why? 3.what are the internal and external command in linux? 4.sar command o/p? 5.how list the open files? 6.what is kernel compiling? 7.How do u See complete configuration in |
| what are Softirq's and how many major numbers be allocated in the linux kernel(2.4) ? |
| how to run the boot loader in the linux....... |
| What is the difference between a process task and threads and what are the things that are acquired by the child process from the parent process |
| what is user mode & kernel mode? |
| what is symbolic link in unix ??? |
| what is the diff b/w ext2 and ext3? |
| what is initrd image? |
| what is jumbi process? |
| My machine is running half duplex mode how to change half duplex to full duplex? |
| some one is asking my machine is slow what is your steps? |
| what is mean by system calls |
| What is trusted/untrusted operating system? |
| Working in Linux/Unix platform, if any command dose not work, say # ls reports as command not found. what to do? |
| why do u want to join this company |
| what is the difference between fork() & exec() |
| what is the difference between fork and thread ? and parent and child process in fork system call? |
| how u use the iptable firewall to restrict ssh,telnet,ftp |
| what restrict telnet for root itself but allow for other user |
| what is difference between inetd and xinetd |
| what is the diff b/w MUTEX and semaphore? |
| in unix how to change old name to new name |
| what is the standard output in a file as well as disply it on the terminal options like A)pr B) tail C) tee D)nl |
| what is command like " #(cd unixos; pwd) " tell me OUTPUT |
| in unix how to change old name to new name |
| what is "ls* " is run options are 1) x 2).x 3) hidden 4) no disply tell exact answer. |
| tell me command for" to create more than one name to a file". |
| how to create a new file command |
| what is command for "calj2007" |
| how is "to run even after user logs out" |
| what is QUOTA-V |
| what is the command To print script arguments |
| how is the possible the "last 10 files present in the current directory and stores them in the file list". |
| script is like x=10; y=20; [$x-ne$y]; echo $ please give me output. |
| what is Bourne shell. |
| How will retrieves incoming mails from different web sites |
| Diff b/w C-shell and Born-shell |
| ls -l ls -t ls -r ls -a ls -ltr ls -u grep error file.txt grep -v error file.txt perl prg.pl | ./file.txt tee chmod +x chmod -x chmod =x ps bg date +%y%m%d ? |
| What would you do when all the processess hangs and there is no other option in unix? |
| Did you ever write any inerface files / profile file to support unix environment setup ? |
| How will you execute a java program inside a kornshell script? |
| How would you find whether a remote server is up or not? |
| How do you find out the server processes running? |
| How do you rate yourself in unix(if 0 is novice and 10 is sys admin)? |
| Did you work with linux? What flavors and versions? |
| have you ever got warning message from unix admin that file system running out of space or not enough disk space?what will u do? |
| How will retrieves incoming mails from different web sites |
| How to send automated email to a set of people at fixed time ? |
| Please send Security on linux related questions and answers. |
| What will happen when we invoke a system call and say with an example of invoking a system call ?read? for a device? |
| What is the use of proc structure? |
| what is bus trap. |
| what is segmentation fault? |
| What are the signals we have in Linux |
| What is the use of thread over process? |
| Say we have three threads T1, T2 and T3 which perform sequentially one after another is their any benefit of using thread over here rather than having a single process. |
| Why do we have serial and parallel interface, which one was faster and why and when we should go for this interface. |
| How shared memory are accessed if we have two processors trying to acquire the same region. |
| Set the Display automatically for the current new user ? |
| Display the Disk Usage of file sizes under each directory in currentDirectory ? |
| What does ?route? command do? |
| Which tool would you use to update Debian / Slackware / RedHat / Mandrake / SuSE ? |
| Which distro you prefer? Why? |
| Why have you choosen such a combination of products? |
| Which Linux distros do you have experience with? |
| What are the Advantages and disadvantages of script vs compiled program? |
| What does the following command line produce? Explain each aspect of this line. $ (date ; ps -ef | awk {print $1}' | sort | uniq | wc -l ) >> Activity.log |
| What is the most graceful way to get to run level single user mode? |
| What is LILO? |
| What file should you examine to determine the defined runlevels for your system? |
| What is the complete name of the default configuration file for LILO? |
| What text filter can you use to display a binary file in octal numbers? |
| What is the name and path of the main system log? |
| What is the minimum number of partitions you need to install Linux? |
| What command can you use to review boot messages? |
| What utility can you use to automate rotation of logs? |
| You want to create a compressed backup of the users' home directories. What utility should you use? |
| Where is standard output usually directed? |
| Who owns the data dictionary? |
| difference between Tcp and udp |
| How does the boot process[init levels] work on Linux? How is it different from Solaris? |
| What are RPM?s, what do they offer? |
| How can you find configuration on linux? |
| What does the top command display? |
| How you will uncompress the file? |
| What u know abt tar Command? |
| tell me some of the Linux HotKeys do you know? |
| How can you see all mounted drives? |
| List all the files beginning with A |
| When is it better to use the more command rather than cat command? |
| in LINUX,What are two subtle differences in using the more and the pg commands? |
| Which directory is closer to the top of the file system tree, parent directory or current directory? |
| What is the difference between home directory and working directory? |
| What is the difference between an argument and an option/switch? |
| Send me some of the commands being used in linux |
Tuesday, March 1, 2011
Linux Questions
