cfgmgr To configure devices and installs device software in system
cfgmgr -l vscsi0 To configure the components connected to the vscsi0 interface
lscfg To display config, diagnostics and vital product definition info
lscfg -l mem0 Display info about device mem0
lscfg -l ent* Display info about all Ethernet cards
lscfg -v Display vpd
lscfg -v -l hdisk0 Display vpd of hdisk0
mkdev -l rmt0 To change device rmt0 from defined state to available state
lsdev -P To lists all supported devices
lsdev -P -c disk To list all supported disks
lsdev -P -r class To display supported class
lsdev -P -r subclass To display all sub class
lsdev -C To lists all configured devices
lsdev -C -l mem0 To display the properties of mem0
chdev -l sys0 -a maxproc=100 To change default maxproc value to 100/user
chdev -l rmt0 -a blocksize=512 To change the block size to 512
chdev -l rmt0 -a ret=no To avoid tape retension
rmdev -l rmt0 To remove the device rmt0
rmdev -dl rmt0 To remove the device totally from database
rmdev -l rmt0 -S To change the state of the device stopped
lsparent -C -k rs232 To display possible parent devices which accept rs232 devices
lsparent -C -l hdisk0 To display parent devices which accept child device hdisk0
lsattr -Dl rmt0 To see the default values of the device rmt0
lsattr -El rmt0 To see the current values of the device rmt0
lsattr -El tty0 -a login -R To see all possible values of the login attribute of tty0
lsconn -p scsi0 To list all possible connection scsi0 can accept
lvlstmajor To list the available major numbers
mknod /dev/null c 2 2 Create null device with major (2) and minor (2) nos. (c - char device)