PTS-DOS 2000


PTS-DOS is a disk operating system, a DOS clone, developed in Russia by PhysTechSoft.

History and versions

PhysTechSoft was formed in 1991 in Moscow, Russia by graduates and members of MIPT, informally known as PhysTech. In the end of 1993, PhysTechSoft released first commercially available PTS-DOS as PTS-DOS v6.4 (version numbering obviously seems to follow versions of MS-DOS, as Microsoft released MS-DOS 6.2 in November 1993).

Some programmers who left PhysTechSoft in 1995 founded Paragon Software GmbH, took source code with them and released their own version named PTS-DOS v6.51CD. According to official PhysTechSoft announcements, these programmers violate both copyright laws and Russian military laws, as PTS-DOS was developed in close relationship with Russian military and thus may be subject to military secret.

PhysTechSoft continued development on their own and released PTS-DOS v6.6 somewhere in between and presented PTS-DOS v6.65 at CeBIT exhibition in 1997. Next version from PhysTechSoft, formally PTS/DOS Extended Version 6.70 was labelled PTS-DOS 2000 and is still being distributed as a last 16-bit PTS-DOS system, as of 2007.

Paragon continued PTS-DOS line and released Paragon DOS Pro 2000 (also known and labelled in some places as PTS/DOS Pro 2000). According to Paragon, this was the last version and all development since then ceased. Moreover, this release contained bundled source code of older PTS-DOS v6.51.

Later, PhysTechSoft continued developing PTS DOS and finally they released PTS-DOS 32 (formally known as PTS-DOS v7.0), which added support for the FAT-32 file system.

PTS-DOS is certified by Russian Ministry of Defence.

Hardware requirements

See also


External links

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