What is pf usage in the task manager?

What is PF usage in the task manager? How does it effect my computer's speed?Is SVCHOST.exe a virus?

  • Answer:

    Page file usage aka swapfile. The page file is used by windows to store information that is not currently being used and allows you to use more memory than you have installed. SVCHOST.exe is not a virus although some virii can use it to run.

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