create your own shell

requirements: Need it in 2-3 days

Your Shell should

1)Be capable of launching programs with any number of arguments (exec the argument function eventually)

2) support input and output redirection

a- >fn (redirect stdout to fn)

b- < fn (redirect stdin to fn)

c- >>fn (redirect stdout to fn in append mode)

3) support piping (cmd1 | cmd2) (at least 2 processes, better if support any number of processes)

a-note: all processes in pipe should be in same process group.

4) built-ins in your shell

a- cd

b- exit

c-set

5) support variable expansion

C programiranje UNIX

ID projekta: #7597415

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