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What is the .SYS File Extension?

.SYS File Extension Description:

As the system configuration file, the SYS file extension helps in the process of setting up the user's hardware devices, and helps it to be adequately assigned with resources, so that the hardware and the software components can work together without any problems. With the SYS file extension in this context, the configuration can be done properly, and nasty resource conflicts and problems will surely be avoided. In addition, with the SYS file extension; upgrading the system with new equipment will be easier, since it already knows what components will be compatible with the system's existing components.

Meanwhile, the SYS file extension also acts as the device driver for the computers system, which is the hardware and software component that operates the computer. The file extension is needed since it allows higher-level programs to interact with the hardware components of the system. With this, the SYS file extension is generally a program file that is called upon, whenever the hardware component is needed to function. The SYS file extension issues commands to the hardware device, as well as the software, that responds to this hardware. Aside from this, the SYS file extension has another function, like its work as the icon file for PlayStation 2.

PlayStation 2 is a computer game while the SYS file extension here is a small picture that helps in representing the game. Through this file extension, users can easily recognize the PlayStation 2, and be able to access it anytime he wants to.

The file extension SYS also functions as a data file for the SYSGRAPH, SYSTAT, SPSS, or PC. The SYS file extension in this light, is used in storing the data for the use of these computer applications. This is used to provide information used as input, or written as output. However it is used, the SYS file extension is always a much-needed aid in debugging its supported applications as a data file.

Author: Sony Corporations of America, Leland Wilkinson, SPSS Inc.
Author URL:,,
Related Applications: PlayStation 2, SYSGRAPH, SYSTAT, SPSS, PC, DOS
Common Path: C:/ SystemRoot/ System32/ or C:/ Program Files/


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What Causes .SYS files Errors?

Upon experiencing errors with .SYS files you are in all likelihood receiving a critical Windows registry error - this error might be the outcome of damage in your registry and you should move to fix it immediately to avert additional corruption to your file system. Having these errors puts your computer in danger for fatal crashes, blue screen errors as well as hardware failure.

Symptoms of .SYS files Errors:

Common symptoms from .SYS files errors include reduced personal computer performance, excessive application load speed, problems saving files, extended pauses in program functions, programs closing without showing an error message, input freezing and applications crash.

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