Explain Process management and related commands
Explain Memory management and related commands
What is Open Group standards?
Secify seciaal usage for each one of the following file
/dev/null - Send unwanted output
/dev/random - Random number generation
/dev/zero - Cache or Destroy data on a partition - dd if=/dev/zero of=/dev/sda98
What is SELinux?
Write a command to find all of the files which have been accessed within the last 10 days.
What is LILO?
What is Grub?
Explain the difference between LILO and Grub
What is NFS?
What is NAMED?
What is MySQLD?
What is mysql?
What is CVS?
Why You Shouldn't Use the root Login for everyday work?
Describe the default partition scheme in Redhat Linux?
Describe the default partition scheme in Solaris? What is the slice number?
Describe all default mount point?
What is boot block?
What is logical block?
Describe the process for adding a new hard disk to UNIX box?
Describe the process for adding a new hard disk to Linux box?
Describe the process for adding a new hard disk to Linux LVM to grow /home?
Explain one major difference between a regular file system and a journaling file system?
Define JFS
Define UFS
How do you lock and unlock user account / password?
Describe RPM and command to install / remove / update Linux system?
Explain difference between rpm and up2date command.
Explain difference between rpm and apt-get command.
Explain difference between rpm and yum command.
Describe usage for pkgadd, pkginfo and pkgchk command
How do you find files on UNIX or Linux system?
Explain /etc/rc3.d
Explain ntsysv or chkconfig command
How do you get rid of process if kill PID is not working for you?
What is the purpose of the command?
grep
sed
awk
ifconfig
netstat
df
du
prtvtoc
fdisk -l
umaks
getfacl
setfacl
sudo
fsck
probe-scsi
vmstat
Explain LVM
1) What is a superblock ?
2) What is a parity bit?
3) What is an inod?
4) Explain top command ?
5) How to disable the root login in SSH ?
6) use of sysctl command ?
7) LVM how to ?
8)Different RAID levels ?
What are the services required for nfs, apache(http) and NIS?
What is the best way to check the status of any service?
What do you mean by parity in RAID and which RAID is useful now a days?
Explain Linux Boot process especially kernel and initrd.
Why we do have two commands useradd and
adduser when their functialnality is same?
