Linux shell variables

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Learn how to set, unset and export variables from your BASH shell in Linux. This steps your through the process of managing variables in the shell , getting your ready for real life and the exam 101 from the LPI,
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I like the little trick with the exclamation mark to perform a reverse search.

bossco
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I noticed the reference to the Monty Pythons at 4:00 ;-)

voidslack
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Thanks a lot for your videos. They are fantastics!!!
By the way, when I type "echo $U", it does nothing...¿?

fedegarcia