Unix shell programming special variables. Unix Create a Symbolic Link. How do I Compress a Whole Linux or UNIX Directory? Q.
How can I compress a whole directory under Linux / UNIX using a shell prompt? A. It is very easy to compress a Whole Linux/UNIX directory. It is useful to backup files, email all files, or even to send software you have created to friends. Technically, it is called as a compressed archive. UNIX / Linux Command To Check Existing Groups and Users. Q.
How do I check the existing Linux / UNIX users and groups under Linux operating system? A. You can easily check the existing users and groups under Linux using the following commands. Find out if user exists in /etc/passwd file.