Understanding and using the ‘source’ command in Linux

The 'source' command, an integral part of Linux and Unix-like systems, is a shell built-in that reads and executes commands from a file in the current shell environment. While it may seem a trivial part of your command-line experience, 'source' is instrumental in various critical tasks such as setting environment variables, reloading shell profiles, or running scripts. In this guide, we will delve into the practical applications of the 'source' command, demonstrating its role in enhancing your Linux shell interactions.

Source: FOSS Linux