In C code, please whole code In C code ( UNIX C CODE), please

Write a program called minishell that creates two child processes: one to execute 'ls' and the other to execute 'sort'. After the forks, the original parent process waits for both child processes to finish before it terminates. The standard output of 'ls' process should be piped to the input to the 'sort' process. Make sure you close the unnecessary open files for the three processes.

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Carefully study the examples provided: fork.c, myls.c, myshell.c, etc. You need to know how they work in order for you to finish this assignment; the examples

fork.c (link where to find the example) https://drive.google.com/file/d/0B9b80md_Miu5bTN0cV9ndkZ5T1k/view?usp=sharing

myls.c (link where to find the example) https://drive.google.com/file/d/0B9b80md_Miu5N0ZvaGlRZDdRWjA/view?usp=sharing

myshell.c (link where to find the example) https://drive.google.com/file/d/0B9b80md_Miu5N0xyUFk0bGdDXzQ/view?usp=sharing