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       hwclock.8 (741B)
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            1 .Dd February 2, 2015
            2 .Dt HWCLOCK 8
            3 .Os ubase
            4 .Sh NAME
            5 .Nm hwclock
            6 .Nd query or set the hardware clock
            7 .Sh SYNOPSIS
            8 .Nm
            9 .Op Fl r | Fl s | Fl w
           10 .Op Fl u
           11 .Op Ar dev
           12 .Sh DESCRIPTION
           13 .Nm
           14 is a tool for accessing the hardware clock. You can display the current time,
           15 set the hardware clock from the System Time, or set the System Time from the
           16 hardware clock. It currently only works with UTC. You can use
           17 .Ar dev
           18 to specify the RTC device node absolute path. By default
           19 it will use
           20 .Pa /dev/rtc .
           21 .Sh OPTIONS
           22 .Bl -tag -width Ds
           23 .It Fl r
           24 Read the hardware clock and print the time on stdout.
           25 .It Fl s
           26 Set the system time from the hardware clock.
           27 .It Fl u
           28 Use UTC. This is the default option.
           29 .It Fl w
           30 Set the hardware clock to the system time.
           31 .El