.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" %sccs.include.redist.man%
.\" @(#)timedc.8 6.7 (Berkeley) %G%
.Nd timed control program
is used to control the operation of the
Measure the differences between machines' clocks,
Find the location where the master time server is running,
Enable or disable tracing of messages received by
Perform various debugging actions.
will prompt for commands from the standard input.
If arguments are supplied,
interprets the first argument as a command and the remaining
arguments as parameters to the command. The standard input
may be redirected causing
to read commands from a file.
Commands may be abbreviated;
.Bl -tag -width Ds -compact
.It Ic \&? Op Ar command ...
.It Ic help Op Ar command ...
Print a short description of each command specified in the argument list,
or, if no arguments are given, a list of the recognized commands.
.It Ic clockdiff Ar host ...
Compute the differences between the clock of the host machine
and the clocks of the machines given as arguments.
.It Ic msite Op Ar host ...
Show the master time server for specified host(s).
Enable or disable the tracing of incoming messages to
on the target host to reset its "election" timers and to ensure that
a time master has been elected.
Other commands may be included for use in testing and debugging
the program source may be consulted for details.
.Bl -tag -width /var/log/timed.masterlog -compact
.It Pa /var/log/timed.log
.It Pa /var/log/timed.masterlog
log file for master timed
.%T "TSP: The Time Synchronization Protocol for UNIX 4.3BSD"
.Bl -tag -width Ds -compact
abbreviation matches more than one command
command can be executed by root only