Overview #

z/OS is a 64-bit operating system for mainframe computers, produced by IBM. It derives from and is the successor to OS/390, which in turn followed a string of MVS versions. [2]

External Security Managers (ESM)#

On z/OS there are three primary External Security Managers (ESM)

There is a ZOS BIDIRECTIONAL DRIVER that will work with most of the External Security Managers (ESM) on ZOS.

More Information#

There might be more information for this subject on one of the following:
[#1] - derived from information provided at http://en.wikipedia.org/wiki/ZOS retrieved 2012-10-13 [#2] - http://en.wikipedia.org/wiki/ZOS