How to use exit codes
In this Linux tip, we take a look at exit codes – the numeric codes that are generated when a command is run that indicate whether the command was run successfully or, if not, what kind of problem was encountered.
Working with exit codes on the Linux command line https://www.networkworld.com/article/...
Understanding exit codes on Linux
https://www.networkworld.com/article/...
Checking exit codes in bash
https://www.networkworld.com/article/...
How to use exit codes
https://www.networkworld.com/video/38...
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