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Is this pagefile.sys? Win 10 Laptop, SSD Disk, Decreasing Free Space Issue & Control Methods

cyk_pct 6726 10
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  • #2 16896738
    sylweksylwina
    Moderator of Computers service
    pagefile.sys should be directly on the C partition: Check how much it takes, including showing hidden and system files. Perhaps this backup takes so long?
  • #3 16896812
    cyk_pct
    Level 10  
    I have enabled showing files (all), not much when searching for pagefile.sys - no results. And the backup is on a separate disk.
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  • #4 16897267
    sylweksylwina
    Moderator of Computers service
    Show paging file settings after clicking "Change ..." from the performance options (screen above).
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  • #6 16897575
    sylweksylwina
    Moderator of Computers service
    The author wants to get to what the disk eats, does not ask what pagefile.sys is and whether it can be removed .....
  • #7 16897654
    lisek
    Service technician RTV
    Author's topic:
    Quote:
    Re: Is this pagefile.sys?

    Will do as described, see the effect, e.g.
    Help> Ok, No> keep looking.
  • #8 16901357
    cyk_pct
    Level 10  
    Hello, I was away for a while. It was not a Windows file, unfortunately. I remembered that once I made a backup of the system, but I stopped it because it was created on the system disk. I did it again on the spare disk and forgot about it. Windows, however, probably somehow reserved a space on the disk and it was impossible to remove it or look for programs of all types. I installed Win again and it's ok. Lesson for the future. You can close the topic. Thank you all for participating. Best regards.
  • #9 17365875
    keseszel
    Level 26  
    I will refresh the cutlet.
    120GB SSD, several partitions.
    Partition D -> 23GB -> Movies.
    Empty partition, one folder containing files -> 1.3GB
    Space used on the partition -> 6GB. WTF?
    After discovering all the babol -> pagefile.sys WTF files?
    Delete-> rather yes, because I need it ...
    Unfortunately-> according to the screen below ..
    Where did it come from? Good fairies have an idea?

    Is this pagefile.sys? Win 10 Laptop, SSD Disk, Decreasing Free Space Issue & Control Methods
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  • #10 17365948
    witoj
    Level 30  
    You have set virtual memory to 3600MB
    Is this pagefile.sys? Win 10 Laptop, SSD Disk, Decreasing Free Space Issue & Control Methods
    Or the system automatically manages this size :)
  • #11 17366095
    Ramiro Roberto
    Level 14  
    pagefile.sys is a swap file that is a component of virtual memory and is used to free up RAM. When you run, for example, a lot of programs, the RAM may run out of space to open new programs or files, which would prevent the system from continuing. In this situation, the system will free RAM memory by rewriting its contents to the swap file (pagefile.sys). The system will write to the swap file what you are not currently using. When it is needed again, it will rewrite it to RAM.

    The size of the swap file usually matches the size of the RAM. It can be set so that its size is always the same, or that it changes dynamically depending on how much memory will be freed from RAM.

    By default, the swap file is on the system partition, but it is best to put it on the fastest disk. If you have one disk with two partitions, the one on which the swap file is located does not matter much. However, if you have two disks, it is best to place the swap file on the second disk, i.e. the one on which there is no system - it will run faster. You can also have several swap files, but only if you have several partitions, because you can assign one such file to each partition.

    It is a good idea to place a swap file on a FAT32 partition instead of NTFS because it will simply run faster. However, a swap file larger than 4 GB cannot be created on a FAT32 partition.
    The size of the swap file should be 1.5 x RAM, i.e. if you have 2 GB RAM, the swap file should be at least 3 GB (1.5 x 2 GB = 3 GB).

    The swap file, like other files, is fragmented naturally, but it cannot be defragmented because it is always in use during system operation. The system defragmenter will not cope with this. However, the PageDefrag program available on the Microsoft website will handle this: https://docs.microsoft.com/pl-pl/sysinternals/downloads/pagedefrag

    The swap file is an element of system memory that guarantees that you will never run out of memory. There are situations, however, when some memory-eating program needs a lot of memory, but only in RAM. If the RAM memory resources are less than the program needs it, the swap file will not help here.

Topic summary

The discussion revolves around a Windows 10 laptop with an SSD experiencing a decrease in free disk space, leading to inquiries about the pagefile.sys file. Users suggest checking the size of pagefile.sys on the C partition and adjusting virtual memory settings. The original poster later clarifies that the issue was not related to Windows files but stemmed from a backup created on the system disk, which was later moved to a separate disk. After reinstalling Windows, the problem was resolved. Additional comments explain the function of pagefile.sys as a swap file for virtual memory, which helps manage RAM usage by temporarily storing inactive data.
Summary generated by the language model.
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