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

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,

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

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.

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.

Create a shell file with name of rootpass.sh and add below script. Give execute permission to that file.

This post will explore how to get bandwidth usage alert from your system by the email, this simple script developed by shell.