meaning of 'suspend'

[Solomon Herscovitch]

I always wanted to know the difference between suspend and sleep.  Thanks
for that!

On 6/1/07, Tony <linux433 at comcast.net> wrote:
>
> Derek Broughton wrote:
> > Ajaya Pradhan wrote:
> >
> >
> >>            In ubuntu, in the turn off menu there is an option for
> >>            'suspend', can any body tell what does it mean.I tried it
> and
> >>            my CPU power led started blinking.I could not open my
> computer.
> >>            Lastly   I forced to turn off and on my UPS.
> >>
> >
> > There are three ACPI power saving modes. Sleep, suspend and hibernate.
> > Sleep simply pauses the machine.  Suspend shuts almost everything down
> and
> > goes to the lowest-poweruse state possible without actually turning off
> the
> > power, and hibernate stores memory state to disk and actually turns off
> the
> > system.
> >
> > On _most_ machines, you get out of these states by pressing the power
> > button - but not all of them work that way!
> >
> Also I might add that if this is a laptop you are referring to there
> maybe some trouble using any of the ACPI power states in Ubuntu
> depending on your hardware.
>
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