Environment Variables : Linux Tutorial #11

guru99.com/linux-environment-variables.html this video introduces Environment Variables.
Click on the time points below to view different sections!

0:02 Environment Variables
0:18 What is a Variable?
1:45 Accessing variable values
3:54 Deleting Variable
4:30 Summary

What is a Variable?
A variable is a location for storing a value which can be a filename, text, number or any other data.
What are Environment variables?
Environment variables are dynamic values which affect the processes or programs on a computer.
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