.SYS File Description

On the Windows 9.X and Dos operating systems the .SYS files are systems files, used for saving the various data, configurations and functions used by the operating system. Files such as the IO.SYS, CONFIG.SYS and the MSDOS.SYS contain essential information, such as device drivers.

Although they can be opened and viewed with a text editor they should be modified with caution.

Other Information For .SYS File Extension

• Company:

  N/A

• File Type:

  System Configuration File - Device Driver or Hardware Configuration Info

• Identifying Characters (Hex):

  N/A

• Identifying Characters (ASCII):

  N/A