CONFIG.SYS

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

CONFIG.SYS is the configuration file for the DOS and OS/2 operating systems that specifies startup options – options that cannot be changed after the system has booted. The data it contains is read by the system and used to configure many aspects including memory management, peripherals and applications.

Excerpt from the Wikipedia article “CONFIG.SYS”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Santamoly, CC BY-SA 4.0, via Wikimedia Commons.