There are quite a few exit codes used on Linux systems, though no listing you can display when you’re feeling curious. In fact, you won’t see the numeric codes unless you specifically ask for them.

Hey,<BR><BR>I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop ...

If you've written any amount of bash code, you've likely come across the trap command. Trap allows you to catch signals and execute code when they occur. Signals are asynchronous notifications that ...