The NoSleep utility for Mac OSX ( Mavericks et. all) that allows you to keep your computer from going to sleep even when the lid / clamshell is shut. It is accessed via a System Preferences pane and when running also shows up in the menu bar.
To use the command line tool you need to choose that option when installing NoSleep:
It will be installed as
/usr/local/bin/NoSleepCtrl and you should be able to type in
NoSleepCtrl in your Terminal.app to run it ( or use the full path if that doesn’t work )
Here are the options for using it:
Usage: NoSleepCtrl [OPTIONS] ... Options: -h Show this usage guide -v VRBLVL Verbose level. Default value is 1. 0 - minimal output, 1 - normal output, 2 - include driver output. -a Mode qualifier. Used to select AC-Adapter mode -b Mode qualifier. Used to select Battery mode Modes can be combined (-a -b). Use no qualifiers to select a current mode -g Get status for selected mode -s NVAL Set status for selected mode NVAL should have (%d) or (%d,%d) format, depending on the specified mode (without parentheses)