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Description
This assignment helps you learn about processes and basic process management in a shell. You are asked to write a simple shell program called minish. This shell must work as follows. You start the shell by typing minish at the prompt. This will give a prompt of your shell as follows:
minish>
From here onwards, you should be able to execute and control any program/command just as you would in a normal shell. For instance
minish> ls [ OUTPUT OF ls COMMAND SHOWN HERE ] minish>
Additionally, your shell should be able to do the following:
minish> Command arg1 arg2 arg3
minish> Command1 & minish> Command2 [OUTPUT OF Command1 AND Command2 MAY INTERLEAVE HERE IN ARBITRARY ORDER]
minish> Command1 & minish> Command2 & minish> Command3 & minish> [OUTPUT OF Command1, Command2, AND Command3 MAY INTERLEAVE HERE IN ARBITRARY ORDER]
minish> Command < input_file
minish> Command > output_file
minish> ls -l | wc -l
minish> cat somefile | grep somestring | less
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