I
- Instance of
- Part of
- MS-DOS
- , Windows 95
- , Windows 98
- +1 more
Overview
All data
10 statements · 10% with external sources · numbers in brackets are citations
On other databases
2 identifiers linking IO.SYS across the web's reference databases
10 statements · 10% with external sources · numbers in brackets are citations
2 identifiers linking IO.SYS across the web's reference databases
From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0
IO.SYS is an essential part of MS-DOS and Windows 9x. It contains the default MS-DOS device drivers and the DOS initialization program.