.sys is a filename extension used in MS-DOS applications and Microsoft Windows operating systems. They are system files that contain device drivers or hardware configurations for the system.

Dec 31, 2020 · An SYS file is a system file used by Microsoft DOS and Windows operating systems. It contains system settings and variables, and functions that are used to run the operating system.

A SYS file is a Windows or MS-DOS system device driver or system configuration. A SYS driver contains compiled functions, coroutines, and settings saved in Dynamic Link Library format and used …

Whether you’re an IT Pro or a developer, you’ll find Sysinternals utilities to help you manage, troubleshoot and diagnose your Windows and Linux systems and applications. Sysinternals Live is a …

2 days ago · If you want to iterate over this global dictionary always use sys.modules.copy() or tuple(sys.modules) to avoid exceptions as its size may change during iteration as a side effect of …

What does SYS stand for? SYS abbreviation. Define SYS at AcronymFinder.com.

Dec 5, 2025 · The SYS File Extension are listed predominantly as System Files. SYS files are found on both mobile and desktop platforms and can be opened using Windows and Mac operating systems.

Learn what .SYS files are in Windows, what they do, and whether it's safe to delete them to free up space on your PC.

Apr 7, 2025 · Meaning of the term sys with insights into its usage as a command, abbreviation, and file extension. Discover detailed definitions and connected resources.

Sep 1, 2023 · A .sys file is a system file that contains instructions and data that are used by the operating system. It is usually found in the Windows directory and is essential for the proper …