What is hiberfil file

The hiberfil.sys file is a file in the Windows operating system that stores computer memory data during hibernation. It works by writing data to the hard drive and reloading the data when the computer resumes from hibernation. The file size is the same as the RAM size, but the user can manage it by disabling hibernation mode, reducing the file size, or moving it to a different drive.

What is the hiberfil.sys file?

hiberfil.sys is a file used by the Windows operating system to store the contents of the computer's memory during hibernation. Hibernation mode is a lower-power sleep mode that allows users to shut down the computer without closing programs and files.

How the hiberfil.sys file works

When the computer enters hibernation, data in memory is written to the hiberfil.sys file. This data includes open programs, documents, and any services that are running. After the computer is shut down, the hiberfil.sys file and system status are stored on the hard drive.

When the computer resumes from hibernation, the data in the hiberfil.sys file is reloaded into memory. This process allows the computer to quickly return to its pre-hibernation state without reloading all programs and files.

Size of the hiberfil.sys file

The size of the hiberfil.sys file depends on the amount of RAM memory installed on your computer. Typically, the size of the hiberfil.sys file is the same as the RAM size. This means that a computer with 8GB of RAM will have approximately 8GB of hiberfil.sys file.

Manage the hiberfil.sys file

Users can manage the hiberfil.sys file to reduce its impact on hard disk space. There are several ways to do this:

• Disable hibernation mode: Turning off hibernation mode will delete the hiberfil.sys file and free up hard drive space.
• Reduce the size of the hiberfil.sys file: Users can reduce the size of the hiberfil.sys file to 50% or 25% of the RAM size.
• Moving the hiberfil.sys file: The hiberfil.sys file can be moved to another drive or partition to free up space on the system drive.

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