Learn Bash Scripting by Building Five Programs - Build Five Programs

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I’m stuck at this level:
The output was the same. There are many interpreters which may not give the output you expect. Find out where the bash interpreter is located by entering which bash in the terminal.
When I type ’ which bash’ in the terminal it doesn’t run at all.
Please can someone help me.

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Challenge: Learn Bash Scripting by Building Five Programs - Build Five Programs

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