This command will close the hibernation file (hiberfil.sys) of the system. This file writes all the memory contents into hiberfil.sys file when the system is in hibernation. When the computer is restarted, all the information in hiberfil.sys file will be returned to the memory, so that the computer can be restored to the state before hibernation. However, after the computer is restarted, the hiberfil.sys file will not be deleted, and the hiberfil.sys file will occupy about 4G of space, so it needs to be cleaned up.
In addition, you can also use computer housekeeper or 360 housekeeper to clean up. This method is more suitable for friends with multiple hard disk partitions. You can choose to clean the system files, check the disks to be cleaned, and then click OK. Please note that the above operation may delete some important files. It is recommended to back up important files before operation and operate with caution.
Other ways to clean up the garbage on disk C.
1, Disk Cleaning: This is a cleaning tool that comes with Windows system, which can quickly delete temporary files and files in the recycle bin and free up disk C space.
2. Delete useless files: for example, files left by the uninstaller and system backup files that are no longer needed. It should be noted that you should not delete uncertain files at will to avoid damaging the system.
3. Move data to other disks: If there is not enough space on disk C, consider moving some files (such as videos, music, pictures, etc.). ) to another disk to free up space on disk C. ..
4. uninstall unnecessary programs: some programs and applications that are not commonly used will also occupy the memory of the computer. uninstalling these programs can free up the space of the c disk.
5. Use the system's own disk defragmenter: The disk defragmenter can deeply clean the computer hard disk and effectively release more space.