Most corporate IS shops shun shareware, but Linux is good code for free. Linux, a shareware UNIX-clone operating system, has appeared on countless desktops around the world. It has all o the traditional advantages of UNIX, a multitasking, multiuser OS, combined with the advantages of complete, documented source code. Linux can fill many roles, from Internet or intranet server, to router, to special purpose workstation, to general purpose system. The most obvious advantage of Linux is that it can be freely redistributed. Linux and its utilities are copyrighted, and each part is distributed under one of several different copyright licenses, but it can be copied, used, and modified with only a very few reasonable restrictions. Linux development and debugging is very rapid, through the efforts of programmers around the world, and Linux kernel development continues to be guided by Linus Torvalds, the father of Linux.
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