If you give tab space to specific file with append a word or lines using shell command,

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On previous post explained simple IF statement and this post describe about CASE...ESAC statement,

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We have already described few shell scripts and this post explain simple if else and Elif statements with small example,

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When you write shell script and you want to find the file name is already exist in specific directory we can found using simple IF condition,

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This post describe how to find out whether the user name is exist in your system using shell script.

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This post is simple and helpful for how to compare multiple strings by shell scripting. For example can check the country name which one is available.

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Normally our server disk space will be increase at the same time we are not monitoring periodically, so create a shell script and send alert to you.

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