Linux Commands

grub> map (hd0) (hd1)

grub> map (hd1) (hd0)

there is little difference in both of these commends...

su --> just switch you to user mode (root) but didn't provide the complete user environment

su - ---> provide you the complete user environment and also direct jump to user home directory.

vnc or virtual network computing is a way computing remote

computer in linux world.when you connect a vnc client to a

remote computer using vnc server we an take the full acces

of that client computer.

to check installed or not

rpm -qa | grep vnc

configuration file

vi /etc/sysconfig/vncservers