Shell Script Tutorial: A Look At Posix Compliant Shell Operators

One of the first mistakes that new users of any Unix based system like Linux, Unix or MacOS do when scripting is writing all of their scripts within bash script. This is always a problem however it is when you want to migrate to a shell that doesn't support bash syntax and that's where posix compliance comes into play. Today I specifically take a look at the posix comparion operators and the boolean operators, there are also file operators but these are much more rarely used.

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