Sure, using the Linux command line is optional. But these are commands I depend on every day. See what you think.

One of the files that the average Unix sysadmin rarely looks at, almost never changes and yet depends on every time he or she reboots a system is the /etc/inittab file. This modest little file ...

Learn what .pacnew files are in Arch Linux, why pacman creates the pacnew files, and how to safely merge or replace them ...

On Linux, the umask defines how new files and directories inherit access rights. Linux uses your current umask value to ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.

A series of commands ranging from simple to fairly complex will help you count lines, words or individual characters on the Linux command line. Linux includes some useful commands for counting when it ...