What does (cd dir && command) do?
Brief about the command ff?
What does grep grep do?
You have a tab delimited file called phonenos and want to change each tab to four spaces. What command can you use to accomplish this?
What does rmdir do in linux?
When u comment the ctrl+alt+del trap in the /etc/inittab save the file. Tell the command to save the changes without rebooting the machine?
How to schedule cron backup to run on 4th saturday of month??
What is cat command in linux?
How do you check the disk usage in Linux?
What is a make target?
What does df command do in linux?
How find ip address linux?
If the programmer wishes to execute an instruction at the specified time. Which command is used?