SHOW SYSTEM

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SHOW SYSTEM is a DCL command that displays processes currently present on the system.

Qualifiers

Information Displayed

  • /FULL displays all information displayed by the regular SHOW SYSTEM plus process owner UICs and the number of pages in kilobytes:
28E0041C SMISERVER       HIB      9      109   0 00:00:00.01       303    343
         [1,4]                                                           2744Kb
 
  • /GRAND_TOTAL displays a line at the end with the grand total number of processes and nodes
  • /HEADING (default) displays a line at the beginning with the OpenVMS version, node, date, time, and uptime of the system:
OpenVMS V8.4-2L1  on node SMAN43    2-DEC-2019 03:37:49.56   Uptime  19 21:48:12
 

This can be switched off with /NOHEADING.

  • /TOTAL displays a line at the end with the total number of processes and the number of processes meeting the criteria specified
  • /IMAGE displays all information displayed by the regular SHOW SYSTEM plus image file specifications (only available to privileged users):
28E00413 JOB_CONTROL     HIB     10      290   0 00:00:00.01       150    211
         DSA0:[SYS0.SYSCOMMON.][SYSEXE]JBC$JOB_CONTROL.EXE;1
 
  • /MULTITHREAD displays all multithreaded processes for the local system. When used with the /FULL qualifier, the /MULTITHREAD qualifier displays information about each kernel thread in a multithreaded process.

Process Filters

  • /BATCH displays batch processes
  • /INTERACTIVE displays interactive processes
  • /NETWORK displays network processes
  • /SUBPROCESS displays subprocesses
  • /OWNER_UIC=uic displays processes with the specified UIC
  • /STATE=state displays processes in the specified state
  • /SCHEDULING_CLASS=class displays processes that belong to a specific scheduling class
  • /PROCESS=process-name displays processes with the matching name; wildcards (* and %) are allowed.
  • /IDENT=pid displays processes with the specified PID

Cluster

  • /CLUSTER displays processes on all nodes in the cluster
  • /NODE=node displays processes on the specified node

Search Settings

  • /EXACT: use with the /PAGE=SAVE and /SEARCH qualifiers to specify a search string that must match the search string exactly and must be enclosed with quotation marks (" ").
  • /SEARCH: use with the /PAGE=SAVE qualifier to specify a string that you want to find in the information being displayed.
  • /PAGE: display information one page at a time
  • /HIGHLIGHT: use with the /PAGE=SAVE and /SEARCH qualifiers to specify the type of highlighting you want when a search string is found.
  • /WRAP: use with the /PAGE=SAVE qualifier to limit the number of columns to the width of the screen and to wrap lines that extend beyond the width of the screen to the next line.

Output

  • /OUTPUT=file sends the output to the specified file. /NOOUTPUT suppresses output.