apt-get command not found shell script code example

Example 1: apt-get: command not found

Some of the solutions that will help for solving this issue :=
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1. https://stackoverflow.com/questions/5231160/sudo-apt-get-command-not-found

2. https://www.psychz.net/client/question/en/apt-get-command-not-found.html#:~:text=If%20the%20command%20returns%20no,%2Fetc%2Fapt%2Fsources.&text=In%20the%20mirror%2C%20go%20to,file%20suitable%20for%20your%20architecture.

3. https://askubuntu.com/questions/538676/etc-apt-sources-list-not-found

Example 2: sudo: apt: command not found

If apt is not found so Linux is CentOS which is RedHat-based
RedHat installs use yum not apt-get