

Hibernate is a power saver feature of Windows that allows Windows to save all of your current session to the hard disk before shutting own the PC. Windows hibernate mode uses hiberfil.sys to store the running processes. But what are those processes and what happens if you delete the hiberfil.sys? Let’s find out in this article. Hiberfil.sys is a very important system file that is used for writing processes stored in the memory, similar to what pagefile.sys does. You might have came across a gigantic file in your PC’s system drive named “hiberfil.sys.” If you are thinking of deleting it to gain some space, think twice.
