.sys
From Wikipedia, the free encyclopedia
For other uses, see System file.
.sys is a filename extension in Microsoft Windows and MS-DOS operating system.
[edit] Uses for .sys Files
- In MS-DOS and DOS-based operating systems such as Windows 98, these files can be used as configuration files for the operating system. The MSDOS.SYS and CONFIG.SYS files contain various configuration options.[1][2]
- .sys files are used as device drivers.[3]
[edit] References
[edit] See also
- .386
- VxD (virtual device driver)
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