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

Contents

1 History and versions 2 Hardware requirements 3 See also 4 References 5 External links

History and versions[edit] PhysTechSoft was formed in 1991 in Moscow, Russia
Russia
by graduates and members of MIPT, informally known as PhysTech. At the end of 1993, PhysTechSoft released the first commercially available PTS- DOS
DOS
as PTS-DOS v6.4.[1] The version numbering followed MS- DOS
DOS
version numbers, as Microsoft released MS- DOS
DOS
6.2 in November 1993. In 1995, some programmers left PhysTechSoft and founded Paragon Software Group. They took source code with them and released their own version named PTS-DOS v6.51CD. According to official PhysTechSoft announcements, these programmers violated both copyright laws and Russian military laws,[2] as PTS- DOS
DOS
was developed in close relationship with Russia's military and thus may be subject to military secrets law. PhysTechSoft continued development on their own and released PTS-DOS v6.6 somewhere between[2] and presented PTS-DOS v6.65 at the CeBIT
CeBIT
exhibition in 1997.[1] The next version from PhysTechSoft, formally PTS/ DOS
DOS
Extended Version 6.70[3] was labeled PTS- DOS
DOS
2000 and is still being distributed as a last 16-bit PTS- DOS
DOS
system, as of 2007[update]. Paragon continued their PTS- DOS
DOS
line and released Paragon DOS
DOS
Pro 2000 (also known and labeled in some places as PTS/ DOS
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
DOS
v6.51.[3] Later, PhysTechSoft continued developing PTS- DOS
DOS
and finally released PTS- DOS
DOS
32, formally known as PTS- DOS
DOS
v7.0,[3] which added support for the FAT32 file system. PTS- DOS
DOS
is certified by the Russian Ministry of Defense.[4] Hardware requirements[edit]

Intel 80286
Intel 80286
CPU or better 512 KB RAM or more

See also[edit]

Paragon Technology Software Comparison of DOS
DOS
operating systems АДОС, unrelated to Russian MS-DOS Russian MS-DOS

References[edit]

^ a b Official PhysTechSoft site: About PhysTechSoft ^ a b Unofficial PTS- DOS
DOS
FAQ in English ^ a b c Unofficial PTS- DOS
DOS
FAQ in German ^ Official PhysTechSoft site: Operating System PTS- DOS
DOS
2000

External links[edit]

Official website Unofficial PTS- DOS
DOS
FAQ Paragon GmbH homepage

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Special

DNA-OS Phantom OS PTS-DOS OS2000

Historical

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