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→Creating & Executing Shell Scripts
===Creating & Executing Shell Scripts===
[[Image:ipso.png|thumb|right|250px|The simplest regular expression is a series of letters and numbers, possibly including white space (tabs or space characters).]]
It is recommended to '''plan''' out on a piece of paper the purpose of the shell script.<br>You can do this by creating a simple '''IPSO''' diagram (stands for '''INPUT''', '''PROCESSING''', '''STORAGE''', '''OUTPUT''').
