How To Write Bash Scripts in Linux

Operating systems generally come with some form of scripting language which admins and power users can use to create custom tools. Unix and Linux are no different and come with many different options. The glue which holds many Linux projects together is made from Bash scripts. These simple to create, yet fiendishly powerful scripts can do everything from remotely backing up entire file systems to making an LED flash.

Bash scripts behave like those of other programming languages. The code runs line by line in a sequence. We can use conditional logic (selection) to alter the path that our code takes and the code can iterate and repeat the execution of the code until a condition is met or indefinitely.

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