ubase

suckless linux base utils
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hwclock.8 (741B)


      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