Gaining control over the Linux operating system requires mastering the terminal—and one of the foundational skills is learning how to open files from the command line. This not only builds ...

There are a number of ways to add text to files on Linux systems without having to open an editor, such as the echo and printf commands. On the other hand, when you need to add A LOT of text, the ...

There are numerous ways to compare text files on a Linux system from the command line. This post describes seven commands that can help you do this and explains how to interpret the results.

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

Emacs is a LISP interpreter that functions as a text editor in Linux, ... If you want to open another file when you're working in Emacs, just type Ctrl+x, followed by typing Ctrl+f.