SET command

Use the SET command to change the local date, time, and the local time offset value.

Also use the SET command to change the system configuration by specifying the following parmlib members:

ADYSETxx: Change the dump analysis and elimination (DAE) parameters.
APPCPMxx: Change the Advanced Program-to-Program Communication/MVS (APPC/MVS) address space information.
ASCHPMxx: Change the APPC/MVS Transaction Scheduler information.
AUTORxx: Change the auto-reply processing settings on a system.
BPXPRMxx: Dynamically change the BPXPRMxx parmlib members in use.
CEEPRMxx: Change the system level Language Environment® run-time options.
CNGRPxx: Change the active console group definitions in the sysplex.
CONSOLxx: Change the environment's console configuration.
Note: Specifying SET CON= on the same command with CNGRP=, MMS=, MPF= or MSGFLD= can have unpredictable results.

Note: This command is only processed when running in the distributed mode of console operation. For more information, see the operation modes of console support section in z/OS MVS Planning: Operations
.
CUNUNIxx: Change the conversion environment when the system is already up and running.
DEVSUPxx: Dynamically change keyword values in parmlib member DEVSUPxx.
DIAGxx: Start or stop the common storage tracking and GETMAIN/FREEMAIN/STORAGE trace functions.
EXSPATxx:
- Change the excessive spin recovery actions.
- Change the spin loop timeout interval.
GRSRNLxx: Change the GRS resource name lists (RNLs).
GTZPRMxx: Change the Generic Tracker (GTZ) parameters.
IEAOPTxx: Change the system resources manager (SRM) parameters.
IEASLPxx: Change the commands SLIP is to process.
IECIOSxx:
- Change all the MIH time intervals.
- Change all the I/O timing limits.
- Change the status of FICON switch statistics gathering.
- Change the residency of where IOS storage blocks are obtained.
- Change certain IOS recovery options.
IGDSMSxx:
- Change the storage management subsystem (SMS) parameters, or start SMS if it was not started at IPL, or restart SMS if it could not be automatically restarted.
- Specify the method that VSAM Record Level Sharing (RLS) uses to determine the size of the data placed in the coupling facility cache structure.
IKJTSOxx: Dynamically specify which TSO/E parameter set should be activated.
IQPPRMxx: Specify one or more IQPPRMxx parmlib members that contain the zEDC options.
IXGCNFxx: Dynamically specify system logger options.
MMSLSTxx:
- Change or refresh the MVS™ message service (MMS) parameters.
- Start, refresh, or stop MMS.
MPFLSTxx:
- Change messages processed by the message processing facility (MPF), or the color, intensity, highlighting, and foreign message handling options, and whether verbose messages are to be produced or not.
- Change the command installation exits the system is to use.
MSGFLDxx: Change the message flood automation parameters.
PFKTABxx: Change the set of available PFK tables.
PROGxx:
- Update the format or contents of the APF list.
- Control dynamic exits and exit routines.
- Update the LNKLST set for the LNKLST concatenation.
- Dynamically add modules to, or remove modules from the LPA.
SCHEDxx: Change the PPT information.
SMFPRMxx: Change the system management facilities (SMF) parameters or restart SMF.

Note: The system allows a maximum of 38 suffixes.