Sourcing a file Vs executing a file in Linux?
Sourcing a file is similar to executing the file, but sourcing makes the changes of the file applicable in the current shell itself. Usually when a script is executed, a new sub-shell is created and the script is executed in the sub-shell which makes the changes applicable in the sub-shell and not in the current shell.
A file can be sources by using any of the below commands.
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