OS Manuals

/usr/bin/ntpshmmon

gpsd clients

From gpsd-clients 3.27.5-r5 (os), captured 2026-11-05 by running ntpshmmon --help (exit 0). permalink

usage: ntpshmmon [OPTIONS]

  --count COUNT       Exit after COUNT samples
  --help              Print this help, then exit
  --offset            Replace Seen@ with Offset
  --rmshm             Remove SHMs and exit
  --seconds SECONDS   Exit after SECONDS seconds
  --verbose           Be verbose
  --version           Show version, then exit
  -?                  Print this help and exit.
  -h                  Print this help and exit.
  -n COUNT            Exit after COUNT samples
  -o                  Replace Seen@ with Offset
  -s                  Remove SHMs and exit
  -t SECONDS          Exit after SECONDS seconds
  -v                  Be verbose
  -V                  Print version and exit.
Options (15)
OptionDescriptionSource
--count COUNTExit after COUNT sampleshelp
--helpPrint this help, then exithelp
--offsetReplace Seen@ with Offsethelp
--rmshmRemove SHMs and exithelp
--seconds SECONDSExit after SECONDS secondshelp
--verboseBe verbosehelp
--versionShow version, then exithelp
-?Display program usage and exit.help + man
-hPrint this help and exit.help
-n COUNTSet maximum number of samples to collect to COUNT.help + man
-oReplace the "Seen@" column with the "Offset" column.help + man
-sRemove all SHM segments used by GPSD.help + man
-t SECONDSSet maximum time to collect samples in seconds to SECONDS.help + man
-vEnable verbose status messages.help + man
-VDisplay program version and exit.help + man
Exit status (2) from the manual page
0on success.
1on failure

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.