How Does Windows XP Professional Compare to Unix and Linux?
Windows XP's kernel, like Windows 2000's, has its roots in Unix. Unix is a very popular multitasking operating system developed at Bell Labs in the early 1970s. It was designed by programmers for programmers. In fact, the language C was developed just to write Unix. Even though Unix has become a friendlier operating system with the addition of Windows-like interfaces such as MOTIF, it's still relatively user-unfriendly, requiring cryptic commands much like DOS.
Because it is written in C, Unix can run on any computer that has a C compiler, making it quite portable. AT&T gave away the Unix source code to universities and licensed it to several companies during its early years. AT&T ...