Ubuntu Interview Questions and Answers

Ques 11. How do you find the IP address of your Ubuntu system?

You can find the IP address using the 'ifconfig' or 'ip addr' command.

Example:

ifconfig

Ques 12. Explain the purpose of the '/etc/passwd' file.

The '/etc/passwd' file contains user account information, including usernames and user IDs.

Ques 13. How do you search for a file in Ubuntu using the command line?

You can use the 'find' command to search for files. For example: find /path/to/search -name filename

Ques 14. What is the purpose of the 'grep' command?

The 'grep' command is used to search for a specific pattern or text in files.

Example:

grep pattern filename

Ques 15. How do you enable the UFW (Uncomplicated Firewall) in Ubuntu?

You can enable UFW with the command: sudo ufw enable