5-Bash Scripting | If Statement 

How to use Conditional If, Then, Else, ElseIf (Elif) statements to make programming decisions in Linux Bash Script Programming.
I will explain about:
If statement
What is if statement?
How to use nested if statement ?
How to use if with variable ?
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linux command course :
• linux command
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Bash Scripting course:
• Bash Scripting