System commands

Table 1 lists new and changed system commands that affect z/OS® UNIX. For more information, see z/OS MVS System Commands.

For other elements that have z/OS UNIX command impacts, see the following sections:
Table 1. Summary of new and changed system commands for z/OS UNIX
System command Release Description Reason for change
D GRS,ANALYZE z/OS V1R12 The D GRS,ANALYZE operator command displays the latch identity for the system that the command is running in. Command enhancement
D OMVS,F z/OS V1R13 The UID filter displays information for the file systems mounted by the specific user. Mount granularity
D OMVS,L z/OS V1R13 The display output was updated to show the system limit and user limit of rnonprivileged user mounts. Mount granularity
z/OS V2R1 The display output was updated to show the maximum system limit of named or unnamed pipes (MAXPIPES) that can be open in the system. The limit is not configurable. Pipe monitoring support
D OMVS,O z/OS V1R13 The display output was updated to show NONEMPTYMOUNTPT, MAXUSERMOUNTSYS, and MAXUSEDRMOUNTUSER information. Mount granularity
D OMVS,PIPES z/OS V2R1 New parameter: Displays pipe usage Pipe monitoring support
D OMVS,W z/OS V1R13 The D OMVS,W display displays a table of file latch holders and waiters filtering options have been added to the D OMVS,W command to limit the amount of data being displayed. Command enhancement
MODIFY z/OS V1R13 The display was updated to show the system setting and highwater marks for MAXUSERMOUNTSYS and MAXUSERMOUNTUSER. Mount granularity
SETOMVS z/OS V1R13 New parameters: MAXUSERMOUNTSYS, MAXUSERMOUNTUSER, NONEMPTYMOUNTPT Mount granularity
z/OS V1R13 New parameter: LOSTMSG Lost message detection