How To Enable Shell Script Debugging Mode in Linux


A script is simply a list of commands stored in a file. Instead of running a sequence of commands by typing them one by one all the time on the terminal, a system user can store all of them (commands) in a file and repeatedly invokes the file to re-execute the commands several times.

While learning scripting or during the early stages of writing scripts, we normally start by writing small or short scripts with a few lines of commands. And we usually debug such scripts by doing nothing more than looking at their output and ensuring that they work as we intended.

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