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Subject: writing c code for who | sort | lp
CYBERAY
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Post at Jun 20, 2007 10:41 AM  Profile | P.M. 
writing c code for who | sort | lp



writing c code for who | sort | lp



hi,

can any one please let me know the code for implementing
who | sort | lp


basically i want to implent pipe here. the program can use the existing who, sort and lp


also please let me know how many processes are created in unix when the following commands are executed?
$ ls | more
$ ls > more

thanks in advance


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