A Bash function is essentially a set of commands that can be called numerous times. The purpose of a function is to help you make your bash scripts more readable, and to avoid writing the same code over and over again.
How to Install and Use FFmpeg on CentOS 7
FFmpeg is a free and open source collection of tools for handling multimedia files. This tutorial walks you through installing FFmpeg on CentOS 7.
Linux Tee Command with Examples
The tee command reads from standard input and writes to both standard output and one or more files at the same time. Tee is most commonly used in combination with other commands through piping.
How to List Installed Packages on Debian
In this guide, we'll explain how to list and filter installed packages on Debian. We will also show you how to check whether a specific package is installed, count installed packages and find out the version of an installed package.