What is the functionality of a top command?
How many bits use for MAC address?
what is the meaning of this command rm -rf / what will it do ?
what is the command to list files in a directory in UNIX?
What does sed command do in unix?
Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.
what is the difference between relative path and absolute path?
How do you stop a running process?
What is the significance of the 'tee' command?
Who invented grep?
What are some command words?
what is the use of "fg" command ?
which script will invoke first ,when /etc/init.d starts