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100 - Hardware Clocks

System administrator command. Read or set the hardware clock.
This command maintains change information on /etc/adjtime, which can be used to ajust the clock based on how much
it drifts over time.

There is also a hardware clock (CMOS clock). You can look at the current hardware clock time with:

# hwclock --show

To set the hardware clock from the system clock, leaving the hardware clock in UTC, enter the following:

# hwclock --systohc --utc
# hwclock --show

 

Linux:


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Story | by Dr. Radut