You can use a shell command to suspend. The window system does not have to be running for the shell command suspend to work.
The Suspend confirmation window will appear. See Figure 2-2.If the window system is not running, the command will execute without the confirmation window.
Select Suspend.
The computer will save your activities to disk. When you press the power key again, the display will appear just as you left it.
Turn off the power to all external units.
External units may include external drive units, printers, or other serial or parallel devices. See the manual supplied with the external device for instructions.