Running head: Network Operating Systems A Comparison of Two Network Operating Systems; Microsoft Windows NT and Unix Introduction The decision to utilize Microsoft Windows NT Server or one of the many Unix operating systems is the concern of many IS managers around the world today. Unix is not a single operating system; it refers to a family of operating systems which includes AIX, BSDI, Digital UNIX, FreeBSD, HP-UX, IRIX, Linux, NetBSD, OpenBSD, Pyramid, SCO, Solaris, SunOS, just to name a few. Microsoft Windows NT has a well-known reputation. But these manag