2014-06-03 15:20:57 +00:00
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.TH HWCLOCK 8 ubase-VERSION
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.SH NAME
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\fBhwclock\fR - Query or set the hardware clock
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.SH SYNOPSIS
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\fBhwclock\fR [\fB-rsw\fR] [\fB-u\fR] [\fIdev\fR]
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.SH DESCRIPTION
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\fBhwclock\fR is a tool for accessing the hardware clock. You can display
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the current time, set the hardware clock from the System Time, or
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set the System Time from the hardware clock. It currently only works with UTC.
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2014-06-04 09:56:20 +00:00
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You can use \fIdev\fR to specify the RTC device node absolute path. By default
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it will use \fI/dev/rtc\fR.
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2014-06-03 15:20:57 +00:00
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.SH FUNCTIONS
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.TP
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\fB-r\fR
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Read the hardware clock and print the time on stdout.
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.TP
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\fB-s\fR
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Set the system time from the hardware clock.
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.TP
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\fB-w\fR
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Set the hardware clock to the system time.
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.SH OPTIONS
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.TP
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\fB-u\fR
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Use UTC. This is the default and only option.
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