hyberfil.sys : Java Glossary


hyberfil.sys is a whacking huge file on your C: drive used to store a system image when your computer is hibernating (powered off, but able to restart without rebooting). It is mainly of use in laptops. If you have your system drive on an SSD (Solid State Disk), you will want to get rid of hyberfil.sys to free up room for more important files. You can’t just delete it. However, you can tell Vista, W2008, W7-32, W7-64, W8-32, W8-64, W2012, W10-32 and W10-64 to delete it and stop using it.
powercfg -h off

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