Shopt(SHell OPTions) is a built-in command to change the properties of a shell such as..
Its history behavior
Spell check
Enable special characters for echo command by default
and many more.
This is an excellent command which give more control on Shell for you when you are working on bash and sh shells. This command is available after bash v2 and not available in other shells such as ksh, csh etc. Lets get familiarize with shopt command with some examples.
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