MS-DOS 5 Beta

The MS-DOS 5.0 project started in December 1989. MS-DOS 5.0 Codename is "Lifeboat" based on MS-DOS 4.00 Code. MS-DOS 5.00 is first version MS-DOS to use betas builds.

Several MS-DOS 5.00 betas were released before the final launch:

Builds

Description

Desktop Screenshot

Build 70

Build 70 is MS-DOS 5.00 Pre-Beta 1 Build.

Build 112

Build 112 is MS-DOS 5.00 Pre-Beta 1 Build.

Build 223

Build 223 is MS-DOS 5.00 Beta 1 Build.

Build 224

Build 224 is MS-DOS 5.00 Beta 1 Build dated to 06-07-1990. Dosshell is split in to 3 parts: Color Manager, File Manager and Program Manager.

Build 225

Build 225 is MS-DOS 5.00 Beta 1 Build.

Build 226

Build 226 is MS-DOS 5.00 Beta 1 Build.

Build 227

Build 227 is MS-DOS 5.00 Beta 1 Build.

Build 333

Build 333 is MS-DOS 5.00 Beta 2 Build dated to 08-15-1990. Is the first MS-DOS 5.00 Builds to have Task Swapper

Build 392b

Build 392b is MS-DOS 5.00 Beta 2 Build.

Build 409c

Build 409c is December 1990 build of MS-DOS 5.00.

Build 432

Build 432 is January 1991 build of MS-DOS 5.00.

Build 460

Build 460 is late January 1991 build of MS-DOS 5.00 dated January 30, 1991

Build 490

Build 490 is early February 1991 build of MS-DOS 5.00 dated February 7, 1991

Build RC1

Build RC1 is first Release Candidate Builds dated on Feb 28, 1991.

Build RC3

Build RC3 is the first third Release Candidate builds.

Build RC3A

Build RC3A is the Release Candidate dated on March 8, 1991.

Build RC10

Build RC10 is dated at March 22, 1991. It seems to be the final Release Candidate.