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— title: Other systems' TeX availability category: installing permalink: /FAQ-sysother date: 2014-06-10 —
# Other systems' TeX availability
For PCs, running MS-DOS or OS/2, EmTeX (by Eberhard
Mattes) offers LaTeX, BibTeX, previewers, and drivers. It is
available as a series of zip archives, with documentation in both
German and English. Appropriate memory managers for using emTeX
with 386 (and better) processors and under pre-'9x Windows, are
included in the distribution. (EmTeX _can_ be made to operate
under Windows, but even back when it was current
, such use wasn't
very actively encouraged.)
A version of emTeX, packaged to use a
[TDS directory structure](FAQ-tds), is separately available as an
emTeX contribution
. Note that neither emTeX itself, nor
emTeX-TDS, is maintained. Users of Microsoft operating
systems, who want an up-to-date (La)TeX system, need Win32-based
systems.
For PCs, running MS-DOS, a further option is a port of the Web2C 7.0 implementation, using the GNU `djgpp` compiler. While this package is more recent than emTeX, it nevertheless also offers a rather old instance of (La)TeX.
For VAX systems running OpenVMS, a TeX distribution is available CTAN, but is almost certainly not the latest (it is more than 10 years old). Whether a version is even available for current VMS (which typically runs on Intel 64-bit processors) is not clear, but it seems unlikely.
For the Atari ST and TT, CS-TeX is available from CTAN; it's offered as a set of ZOO archives.
Amiga users have the option of a full implementations of TeX 3.1 (PasTeX) and MetaFont 2.7.
It's less likely that hobbyists would be running TOPS-20 machines, but since TeX was originally written on a DEC-10 under WAITS, the TOPS-20 port is another near approach to Knuth's original environment. Sources are available by anonymous `ftp` from [ftp://ftp.math.utah.edu/pub/tex/pub/web]