caffeinate -d
To prevent the display from sleepingcaffeinate -i
To prevent the system from idle sleepingcaffeinate -m
To prevent the disk from going idlecaffeinate -s
Keep the Mac awake while it is plugged into AC powercaffeinate
Now, your Mac will stay awake for as long as you leave the Terminal running. To stop this, use the keyboard shortcut Ctrl+Ccaffeinate -t 1800 &
Here 1800 is the time in seconds. You can set it to anything. Now your Mac will stay awake for this time durationCaffeinate &
into the Terminal then press the Return key.Caffeinate
and &
, like so:man caffeinate
in the Terminal.