Question: Write C program CAT which behaves like UNIX utility cat, that is if no parameters are passed to CAT then it simply echoes what is

Write C program "CAT" which behaves like UNIX utility "cat", that is if no parameters are passed to "CAT" then it simply echoes what is typed to STDOUT, otherwise (filename(s) passed as parameters) "CAT" concatenates specified files. Use UNIX system calls open(2), read(3) and write(3)discussed in class. Submit the source code CAT.

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