Introduction about the unix

Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 by Ken Thompson and Dennis Ritchie.

Compiling UNIX software packages

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The Unix command for compiling C code is gcc. This is a compiler from Gnu for Linux. If you are using a Unix machine like Solaris you may need to use the command cc.) When you compile your program the compiler produces a file containing binary code which is directly readable by the machine you are on.