Question: In this project, we develop a shell program, a C program called bsh , which stands for b - shell or Boston shell. It works

In this project, we develop a shell program, a C program called bsh, which stands for b-shell or Boston shell. It
works like the classic sh and bash. The program bsh will include a basic set of commands described below which
are required and a second set of commands which are optional and for extra credit.

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