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Man Page for TIMETOOLNAME
timetool - get time from a time server (and optionally set
local time)
SYNOPSIS
timetool [-h <hostname>] [-p <port>] -v|-s
DESCRIPTION
timetool communicates with an Internet time server host
using BSD Internet Stream Sockets. It obtains the current
system time of the server's system clock time as a long
int in units of seconds since the Epoch (end of 1969).
Normally the time server is a system that synchronizes to
Master Clock time.
timetool is designed to be used with timesrv, the host
time server's program spawned by inetd. By default, time-
tool connects to port 22375 on the U.S. Naval Observa-
tory's machine "tick.usno.navy.mil". If your system is in
multiuser mode, before setting your system clock with
timetool you might want to kill /etc/cron, and restart it
after setting local system time. The shell script SET-
TIME automates this process and can be safely run from a
cronfile. Be aware that some systems have trouble
restarting cron and you should test SETTIME before adding
it to your cronfile.
EXAMPLE
# compare your system clock with time server "foo.bar.com"
timetool -h foo.bar.com -v
# synchronize your system clock with time server "foo.bar.com"
timetool -h foo.bar.com -s
AUTHOR
timetool was written by Ready-to-Run Software, Inc. 1995
SEE ALSO
timesrv(1), timetool(1), time(2), stime(2).
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