SYSTEM is a TSO command that displays information about the currently IPLed system:
CPU serial number
date of IPL
It is located in File #300 of the #249 version of the CBT tape and is part of a
collection of TSO commands from Jim Marshall of the Air Force.
In order to assemble SYSTEM, there are some macros required from a different member of file #300. I have placed the required macros, the assembly source, and the help text into a single installation - system$.jcl - contained in the archive system.tgz [MD5: 62D0FFC9342CC46D21AB98FC8A8066A0]. Download the archive and extract the jobstream (WinZip on Windows/?? or tar on Linux). Submit the jobstream to assemble and link the single load module for SYSTEM into SYS2.CMDLIB and copy the help text into SYS2.HELP. If you don't have SYS2.CMDLIB defined, you will need to modify the jobstream to specify a different target load library. Also if you do not have SYS2.HELP defined, you may modify the jobstream to place the help information into SYS1.HELP.
SYSTEM requires no operands:
system MVS R03.8 S/370-148 000611 16384K IPL'D FROM MVSRES ON 75.218
I hope that you have found my instructions useful. If you have questions that I can answer to help expand upon my explanations and examples shown here, please don't hesitate to send them to me:
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This page was last updated on January 17, 2015 .