SYS File Documentation

Overview

Feature Value
File Extension .sys
File Type Windows System File
MIME Type application/octet-stream
File Category System file
Primary Association Windows Operating System
Function Driver or hardware related system configuration
Can Be Edited No, without specialized software
Default Location C:WindowsSystem32drivers
Creator Microsoft Corporation
Security Risk High, if modified by malware
Permission Administrator privileges required for modification
Executable No, but loaded by the operating system
Binary Format Yes
Usage Key component in driver installation
Backup Importance High
Common Tools for Editing Driver development kits, Hex editors
Internal Structure Compiled, not human-readable directly
Common Files ntoskrnl.exe, hal.dll, ndis.sys
Lifespan As long as the operating system version is supported
Open Standard No