Linux Interview Questions and Answers
Test your skills through the online practice test: Linux Quiz Online Practice Test
Related differences
Ques 16. How do you find and kill a process using its port number?
The 'lsof' command can be used to find the process using a port, and 'kill' can be used to terminate it.
Is it helpful?
Add Comment
View Comments
Ques 17. What is the purpose of the 'grep' command with the '-v' option?
The '-v' option in 'grep' is used to invert the match, displaying lines that do not match the pattern.
Is it helpful?
Add Comment
View Comments
Ques 18. How do you recursively copy files and directories in Linux?
The 'cp' command with the '-r' or '-R' option can be used to copy files and directories recursively.
Is it helpful?
Add Comment
View Comments
Ques 19. What is the purpose of the 'awk' command in Linux?
'awk' is a powerful programming language mainly used for pattern scanning and processing.
Is it helpful?
Add Comment
View Comments
Ques 20. Explain the purpose of the 'iptables' command.
'iptables' is used to set up, maintain, and inspect the tables of IP packet filter rules in Linux.
Is it helpful?
Add Comment
View Comments
Most helpful rated by users:
- What is the purpose of the 'chmod' command in Linux?
- What is the role of the 'grep' command in Linux?
- Explain the difference between 'rm' and 'rmdir' commands.
- Explain the purpose of the 'ls' command.
- Explain the purpose of the 'sudo' command.