suspend / power off

Greetings,

It may seem a daft question, BUT, what is the exact process when suspending ?

On a laptop it doesn't matter as power is kept on when either the lid is shut
or suspended, the same action.
However, on a mains powered machine suspend will power off, I'm guessing a write
to ram and umount any active device ??
Anything written to ram will be lost, does it really mater now if running
daemons & services are just terminated instead of being properly shutdown ?

Now with gnome3 shell ALT has to be held don to go to the power off/restart
menu,
I wonder how many just do a rapid power off with suspend ?

Richard


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