Timeline – OS (complete)
The original version of MS-DOS. This was a renamed version of QDOS which had been purchased by an upstart company called Microsoft. MS-DOS 1.0 released floppy HDD august 1981 5 1/4 Zoll one-sided: 160 KB none Just before releasing version 1.25 there was a version 1.1. I write…
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MS-DOS 1.25 added support for double-sided disks. Previously the disk had to be turned over to use the other side. MS-DOS 1.25 released floppy HDD may 1982 5 1/4 inch double-sided: 320 KB none [gallery columns="2" ids="9759,9758" orderby="rand"]
MS-DOS 2.0 added support for IBM's 10 MB hard disk, directories and double-density 5.25" floppy disks with capacities of 360 KB MS-DOS 2.0 released floppy HDD march 1983 5 1/4 inch double-sided: 320 KB FAT ? 10 MB HDD supported [gallery columns="2" ids="9782,9783" orderby="rand"]
Support for foreign and extended characters was added. On the featured image on the top you see Toshiba DOS 2.11 (1987) - it supported floppies from 720kB 🙂 (sorry for the bad quality). MS-DOS 2.1 released floppy HDD october 1983 5 1/4 inch double-sided: 320 KB FAT ?…
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Support for high-density (1.2 MB) floppy disks and 32 MB hard disks was added. MS-DOS 3.0 released floppy HDD august 1984 5 1/4 inch double-sided: 1,2 MB FAT ? 20 MB HDD supported [gallery columns="2" ids="9801" orderby="rand"]
This version now supported network and memory above 640 kB !!! MS-DOS 3.1 released floppy HDD march 1985 5 1/4 inch double-sided: 1,2 MB FAT ? 20 MB HDD supported [gallery columns="2" ids="9804" orderby="rand"]
Bill Gates said in that time: Windows should be like MAC OS Some pics will have German text on it because they come from an German homepage and I didn't have the time yet to do the pics myself CPU 286 RAM 256 k DOS Version MS DOS 2.0…
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3,5 inch 720 KB floppy support was introduced. MS-DOS 3.2 released floppy HDD december 1985 5 1/4 inch double-sided: 1,2 MB 3 1/2 inch low density: 720 kB FAT ? 32 MB HDD supported [gallery columns="2" ids="9810,9809" orderby="rand"]
This release was written to take advantage of IBM's PS/2 computer range. It added support for high density 3.5" floppy disks, more than one partition on hard disks (allowing use of disks bigger than 32 MB) and code pages. MS-DOS 3.3 released floppy HDD april 1987 5 1/4 inch…
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This version provided XMS support, support for partitions on hard disks up to 2 GB and a graphical shell. It also contained a large number of bugs and many programs refused to run on it. Very soon version 4.01 was released with bug fixes. MS-DOS 4.0 released floppy HDD…
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This was a major upgrade. It allowed parts of DOS to load itself in the high memory area and certain device drivers and TSRs to run in the unused parts of the upper memory area between 640K and 1024K. This version also added support for IBM's new 2.88 MB floppy…
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This was a catch-up with Novell's DR-DOS 6. It added a disk-compression utility called DoubleSpace, a basic anti-virus program and a disk defragmenter. It also finally included a MOVE command, an improved backup program, MSBACKUP and multiple boot configurations. Memory management was also improved by the addition of MEMMAKER. A…
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Extra security was built into DoubleSpace following complaints of data loss. A new disk checker, SCANDISK, was also introduced, as well as improvements to DISKCOPY and SmartDrive. MS-DOS 6.2x released floppy HDD 6.20 - 09.1993 6.21 - 03.1994 6.22 - 04.1994 5 1/4 inch double-sided: 1,2 MB 3 1/4…
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These versions are versions which were shipped with Windows. Version 7.0 was shipped with Windows 95 and supported only 2GB HDD (FAT 16) only the Windows 95 version B supported FAT 32 and HDD above 2GB (DOS 7.1). DOS 8.0 is shipped with Windows ME - the last Windows version…
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