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10.2. Process Trees

The indentations used in SHOWPROC's output reflect the parent/child relationships between processes. In the example above, process 189 is a child of process 194. If we create another process from within EDITOR, then the EDITOR process will be both a parent and a child:

:EDITOR
HP32201A.09.00 EDIT/3000 SAT, APR  1, 2000,  4:26 PM
(C) HEWLETT-PACKARD CO. 1993
/:RUN QUERY

HP32216N.03.15  QUERY/NM  SAT, APR  1, 2000,  4:26 PM
COPYRIGHT HEWLETT-PACKARD CO. 1976

>:SHOWPROC
QPRI  CPUTIME   STATE  JOBNUM  PIN  (PROGRAM) STEP

C152  0:00.964  WAIT   S9      194  :EDITOR
C152  0:00.098  WAIT   S9        191  (EDITOR.PUB.SYS)
C152  0:00.077  READY  S9          199  (QUERY.PUB.SYS)


  

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