f014b6d01c
Imported multiple utilities from ubase to replace util-linux utils Only build utilities from util-linux that can't be had elsewhere
31 lines
741 B
Groff
31 lines
741 B
Groff
.Dd February 2, 2015
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.Dt HWCLOCK 8
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.Os ubase
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.Sh NAME
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.Nm hwclock
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.Nd query or set the hardware clock
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.Sh SYNOPSIS
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.Nm
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.Op Fl r | Fl s | Fl w
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.Op Fl u
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.Op Ar dev
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.Sh DESCRIPTION
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.Nm
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is a tool for accessing the hardware clock. You can display the current time,
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set the hardware clock from the System Time, or set the System Time from the
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hardware clock. It currently only works with UTC. You can use
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.Ar dev
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to specify the RTC device node absolute path. By default
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it will use
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.Pa /dev/rtc .
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.Sh OPTIONS
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.Bl -tag -width Ds
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.It Fl r
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Read the hardware clock and print the time on stdout.
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.It Fl s
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Set the system time from the hardware clock.
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.It Fl u
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Use UTC. This is the default option.
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.It Fl w
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Set the hardware clock to the system time.
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.El
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