Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

TLDR and Cheat don't replace man pages; they complement them. They're perfect for day-to-day learning and quick reference ...

The word apropos means “fitting and to the point”. As a command on a Linux system, its role is to identify commands that relate to the particular terms that you are asking about – such as files, lists ...

There's a lot to learn about image files on the command line, from verifying file format to finding out where and when photos were taken and maybe even getting an unusual view of what they look like.

There are certain Linux commands I consider essential. They range from networking, troubleshooting, and file viewing. They're also easy enough for new users to learn. Even though I've been using Linux ...