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Command: wwv | Section: 1 | Source: UNIX v10 | File: wwv.1
WWV(1) General Commands Manual WWV(1)
NAME
wwv - print or set the date from accurate clock
SYNOPSIS
wwv [ option ... ]
DESCRIPTION
Wwv connects to a clock synchronized with a time standard. With no ar-
gument it prints the time obtained. It accepts these options:
-b Print both the WWV time and the system's current idea of the
time.
-s Set the system's time to agree with WWV. Only the super-user
can do this. The system time cannot be changed by more than 20
minutes.
-f With -s, force the time to be set by WWV even if the local time
disagrees by more than 20 minutes.
-u Report time in GMT rather than local time.
FILES
to record time-setting; see utmp(5)
SEE ALSO
date(1), time(2), stime(2)
WWV(1)