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document the -o, o, -O, and O options

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albert 2003-05-24 03:53:51 +00:00
parent 7f48745f5e
commit bbf868e869
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NEWS
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@ -3,6 +3,7 @@ procps-3.1.8 --> procps-3.1.9
top: fix suspend/resume behavior top: fix suspend/resume behavior
top: ditch warning until a GOOD interface is found #188271 top: ditch warning until a GOOD interface is found #188271
kill: more info in the man page #182414 kill: more info in the man page #182414
ps: document the -o, o, -O, and O options #169301
procps-3.1.7 --> procps-3.1.8 procps-3.1.7 --> procps-3.1.8

11
ps/ps.1
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@ -145,6 +145,17 @@ k use /vmcore as c-dumpfile (try -n or N instead)
NOTES NOTES
User-defined format options ("o", "-o", "O", and "-O") offer
a way to specify individual output columns. Headers may be
renamed ("ps -o pid,ruser=RealUser -o comm=Command") as desired.
If all column headers are empty ("ps -o pid= -o comm=") then the
header line will not be output. Column width will increase as
needed for wide headers; this may be used to widen up columns
such as WCHAN ("ps -o pid,wchan=WIDE-WCHAN-COLUMN -o comm").
The behavior of "ps -o pid=X,comm=Y" varies with personality;
output may be one column named "X,comm=Y" or two columns
named "X" and "Y". Use multiple -o options when in doubt.
The "-g" option can select by session leader OR by group name. The "-g" option can select by session leader OR by group name.
Selection by session leader is specified by many standards, Selection by session leader is specified by many standards,
but selection by group is the logical behavior that several other but selection by group is the logical behavior that several other