The hibernation file is called hiberfil.sys and it’s under the root of the system drive. It’s the file that system writes the contents of physical memory to when you put the computer to hibernation. The size is uaually the size of your physical memory.
If you use the power options in Control Panel, you can turn off hibernation. However, the hibernation file remains. To disable hibernation and delete the hibernation file, you have to use powercfg command line tool. Follow these steps.
- Open up an elevated command prompt.
- Type this command.
powercfg -h off
That’s it. If you ever want to turn it back on. Just type powercfg -h on .