Firefox and pagefile.sys
I am running Firefox on Windows 10 64-bit, and I have lots of windows and tabs open. Occasionally I will get a message from Windows that I am running low on disk space. Recently I got the message, and I saw on my C-drive" "336,044,032 bytes free". After I did an Exit in Firefox, I saw "10,082,402,304 bytes free". The space that was freed was in the pagefile.sys file. Is this normal?
All Replies (2)
Hello,
pagefile.sys is a Windows system file for virtual memory. The OS uses this file to store some info directly on your disk instead of RAM to run your PC more efficiently. You can manage the file's size in Settings -> System -> About -> Advanced System Settings -> (Performance) Settings -> Advanced -> (Virtual memory) Change.
Unfortunately, if you have many windows and tabs open, they may use lots of memory, so I believe the described behavior is normal.
Oh, and to save some memory, you can right-click -> Unload tabs you don't need (though generally they are unloaded automatically after some inactivity).
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