|Version of MS-DOS|
|Preliminary name||MS-DOS 3.40|
MS-DOS 4 is a family of versions of MS-DOS, initially released in 1988.
Features[edit | edit source]
- Support for EGA and VGA display adapters.
- Support for FAT16 partitions larger than 32 MB.
- Support for LIM / EMS standard (driver
EMM386.SYS, access to additional memory on IBM PC AT-386 and higher), which allowed individual parts of MS-DOS to load into additional memory.
- Full-fledged support of the Russian language.
- Improving the Select installation program. The process of installation and configuration is greatly simplified. It automatically creates the appropriate
- The introduction of a new
MEMcommand, which allows you to analyze the current memory configuration.
- Four countries are included in the list of supported countries.
- Graphic printing.
- Various new features in existing commands:
- Improved system drivers, including:
- MS-DOS shell.
History[edit | edit source]
Initially, the project was named "MS-DOS 3.40", and under this name was mentioned in the 1988-09 issue of Serbian computer magazine "Svet Kompjutera", as well as in a contract between Microsoft and Zenith Data Systems from 1987-08.
MS-DOS 4.00 was released in 1988-07, only to be replaced by MS-DOS 4.01 in 1988-11 due to a major bug. MS-DOS 4.02 was also mentioned in PX05132, however, if existing, it is yet to be found.