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My shell program in C programming; write a simple shell support internal commands that has the...

My shell program in C programming;

write a simple shell support internal commands that has the following properties :

1. micd <directory> change the current default directory to <directory>

2. myclr -clear the screen

3. mydir <directory> list the content of directory

The shell environment should contain shell=<pathname>/myshell where <pathname>/myshell is the full path for the shell.

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