In this Linux for programmers tutorial, we’re going to be discussing environment variables on Linux. Environment variables are such an important thing to know as a programmer. Environment variables aren’t just important for Linux, but also on Windows and Mac, and you should understand how to use them.
0:00 – Intro
0:45 – What is an environment variable
2:41 – Listing variables
3:20 – Printing specific variables
3:59 – echo command
4:42 – Creating variables
6:33 – Creating persistent user variables
9:10 – Creating persistent global variables
10:57 – Removing variables
12:07 – Outro
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