A brief comparison of z/OS and UNIX

z/OS concepts

What would we find if we compared z/OS® and UNIX®? In many cases, we'd find that quite a few concepts would be mutually understandable to users of either operating system, despite the differences in terminology.

For experienced UNIX users, Mapping UNIX to z/OS terms and concepts provides a small sampling of familiar computing terms and concepts. As a new user of z/OS, many of the z/OS terms will sound unfamiliar to you. As you work through this information center, however, the z/OS meanings will be explained and you will find that many elements of UNIX have analogs in z/OS.