Science Fair Project Encyclopedia
OS/390
OS/390 is an IBM operating system for the System/370 and System/390 IBM mainframe computers. It is basically a rebranded version of MVS with added UNIX System Services. The OS/390 base includes a Communication Server that includes VTAM, the VTAM AnyNet feature, TCP/IP, and TIOC . It provides SNA (3270), APPC , High Performance Routing , ATM support, sockets, and RPC.
OS/390 was introduced in late 1995 as the follow-on to MVS. In December, 2001, IBM extended OS/390 to the 64-bit zSeries processors and added various other improvements, and the result is now named z/OS. IBM ended support for the older OS/390-branded versions in late 2004.
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Last updated: 10-24-2005 05:19:00
03-10-2013 05:06:04
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details