-activefor:xx - application will become inactive after xx minutes.-exitafter:xx - application will terminate after xx minutes.-startoff - application starts disabled.Must be the first text on the commandline xx - where xx is a number which sets the number of seconds between simulated keypresses.There are some command line switches you can use to alter this behaviour: Double-clicking it again refills the pot, and will keep your machine awake.īy default the app starts enabled, and works every 59 seconds. Double-clicking the icon empties the coffee pot (that's what the icon is) and temporarily disables the program. The icon is shown above - it's the leftmost one in the task tray, and this is all you see. It works by simulating a keypress once every 59 seconds, so your machine thinks you're still working at the keyboard, so won't lock the screen or activate the screensaver. If you have problems with your PC locking or going to sleep, caffeine will keep it awake. Caffeine Prevent your computer from going to sleep