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Could someone kindly explain the difference between these two files?

hwclock.sh

rcS.d/S11hwclock.sh

I understand these files are both to do with the motherboard clock, but i dont see the difference.....

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1 Answer 1

hwclock is a tool for accessing the Hardware Clock. You can display the current time, set the Hardware Clock to a specified time, set the Hardware Clock to the System Time, and set the System Time from the Hardware Clock.

Source: Linux man page

S11hwclock.sh is where hwclock gets called.

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Is there a timing system on linux which shows how many time units since the installation, regardless of the current system time (in case the time was changed)? –  David Jun 2 '12 at 15:32
    
Honestly do not know. –  Mitch Jun 2 '12 at 15:57
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