What is the unix command to confirm a remote host is alive or not?
Why is grep called grep?
What is the use of awk command in unix?
Which command is used to kill the last background job?
What's a command word?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
What is the use of find command in unix?
What is grep and how do you use it?
What is the function of grep command in unix?
What is rmdir command?
What do chmod, chown, chgrp commands do?
Who invented grep?
What are reported commands?
Who wrote grep?
What is unix command?