==Displaying current run level==
who -r
==Checking whether 32 or 64 bit mode==
isalist -v
==Display the device list==
prtconf -D
==Processor==
To view processor info
prtdiag
To view no of process currently online
psrinfo or psrinfo -v
==Find out a package which a file belong to==
pkgchk -l -p /usr/bin/which
==Disk==
Viewing attached HDD
format </dev/null or iostat -E
printing disk geometry and partition info of a hdd-
prtvtoc /dev/dsk/c1t4d0s0
If BIOS detect ur hdd but OS not showing partition table then run
devfsadm -c disk
==Displsy==
To reconfig display
kdmconfig
==NIC administration==
dladm show-dev
ndd -get /dev/rtls0 link_status
==Displaying processes with highest CPU usage-==
ps -eo pid,pcpu,args | sort +1n
==Displaying processes with highest memory usage==
ps -eo pid,vsz,args |sort +1n
