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Using sys
There are 4 alternatives - vote for the best!
No need to be root to do that. Relies on UPower (previously known as DeviceKit-Power).
It suspends to RAM: you always need your batteries for the RAM but it saves time as there is no need to slowly archive everything on your hard disk.
It works fine with me but if anyone has a nicer way, please contribute.
If you can do better, submit your command here.
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Is there a good reason for not shorting the command to:
"sudo echo mem > /sys/power/state"
Thanks for your feedback.
@popel_ok, yes there is a good reason. in your usage, the redirection happens before sudo, and therefore without write permissions. you'd need something like,
sudo sh -c 'echo mem > /sys/power/state'