Auto Shutdown is a Firefox extension to turn off our computer when we have finished a download. Although this is a very comprehensive extension will allow us to perform a variety of tasks, all through JavaScript, or hibernate / suspend your computer instead of shutting down .
The fact is that probably many leave their computer on downloading some ISO or large file and then want to finish downloading it off. Download managers and bring this function built in, though not Firefox.
After installing this extension, add an icon off our status bar of Firefox, which will show the menu options. As for the shutdown / sleep / hibernate options are many, to meet the possibilities offered by each operating system.
But if we want to run any command or further action we can do it via JavaScript , addressing the Options section and selecting Script, and then enter the code stored there and leave a name we recognize .
