On Mac OS X, is there a software way to get the machine to go to sleep / hibernate mode?

Question

Is there any command line or AppleScript that I can write / run so that the machine sleeps automatically, or even better, into sleep mode?

I can run the program as root.

Answer 1

osascript -e 'tell application "Finder" to sleep'

Answer 2

To enter hibernation mode, you need to set the correct setting in the power manager.

Possible settings:

0 - Old-style sleep mode, with RAM turned on during sleep, safe sleep shutdown and super-fast wake up.

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, , ( setuid script):

pmset -a hibernatemode 1; osascript -e 'tell application "Finder" to sleep'