What is $PATH on a Linux Shell? (The Linux Crash Course Series)
Do you want to Learn Linux? The Linux Crash Course series contains video lessons on all kinds of Linux commands and concepts. In this episode, we’ll take a look at the concept of $PATH in Linux. You’ll learn what it is, why it’s helpful, and also how to customize it.
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INDIVIDUAL SECTIONS
00:00 – Intro
00:55 – Spin up your very own Linux server on Linode (sponsor)
02:53 – Looking at an alternate universe, where PATH was never invented
05:47 – What $PATH actually is, and why it’s so useful to have
06:40 – Using a Bash script to further explain PATH
10:29 – Running a script or binary from outside of PATH
11:37 – Finding the path to a command or script
12:21 – Why is your home directory not within PATH by default?
13:23 – Adding a new directory to your PATH
17:48 – How to make changes to PATH survive closing your shell session
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