While Windows has moved away from using Microsoft Disk Operating System as a base, versions of DOS still persist. Some programs refuse to run in modern versions of Windows and require a DOS emulator.

Your Windows system uses the Page file (pagefile.sys) for virtual memory. It works as an extra RAM of sorts. The paging file improves your system’s performance and speed, but some users prefer to ...

(SYStem file) A file extension commonly used for DOS/Windows drivers, such as ANSI.SYS, HIMEM.SYS and KEYBOARD.SYS. See system file. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction ...

Hiberfil.sys can use several GB of hard disk space. Delete the file, and it will likely return. Bill Detwiler explains how to get rid of it for good. In a previous TR Dojo Challenge question, I asked ...

What to know before you dig into the startup areas Back in the days of DOS, if a program was automatically loading when a computer started up, there were only two places that the program could have ...

Some PC gamers when attempting to start a game on their Windows 11 or Windows 10 computer, reported they encounter the error message Please unload BigKDriver.sys ...

The Config.sys is the main configuration file used by OS/2, MS-DOS and other operating systems. Config.sys commands loads programs into the memory and sets ups the memory management of the system. The ...

Windows creates a Pagefile.sys file in "C" drive's root directory, and it is used to swap data between the hard drive and the faster random access memory, or RAM. By default, this file can be up to ...

This is a valid program that is required to run at startup. This program is required to run on startup in order to benefit from its functionality or so that the program will work. The following ...

This is an undesirable program. This file has been identified as a program that is undesirable to have running on your computer. This consists of programs that are misleading, harmful, or undesirable.