Windows users, who want to squeeze every bit of space from a hard drive, often go looking for large system files that they can remove. If you go on such a hunt, you're likely to turn up a file named hiberfil.sys. Depending on your version of Windows and computer hardware, this file can take up several gigabytes.
Unfortunately, you can't just delete the file and reclaim the space. If you delete the file and do nothing else, the file will reappear when you restart your machine.So, here's the question: What does hiberfil.sys do and how can you remove it?
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Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the social research and energy industries. He has bachelor's and master's degrees from the University of Louisville, where he has also lectured on computer crime and crime prevention.