If you administer a Linux server, you likely will have to create users and groups. You will be limited in a few crucial ways without knowing how to create users.

Modes of VI Text Editor VI text editor works in two modes, 1) Command mode and 2) Insert mode. In the command mode, users’ commands are taken to take action on a file. The VI editor, usually, starts ...

When you’ve checked that the above command gives you the results you want, you can add the -i option to make the changes permanent. $ sed -i '2,10s/^/0/' sample That’s all it takes to use the sed ...

Working with text files is a common task for Linux administrators and users alike. While text editors like nano or vim are popular choices, sometimes you may need to append content to a file directly ...