TeX distributions are the large collections of TeX-related software to be downloaded and installed. For example, Tex Live and MiKTeX.
TeX implementations are for example
Web2c is the name of a TeX implementation, originally for Unix, but now also running under DOS, Amiga, and other operating systems. By TeX implementation, we mean all of the standard programs developed by the Stanford TeX project directed by Donald E. Knuth: Metafont, DVItype, GFtoDVI, BibTeX, Tangle, etc., as well as TeX itself. Other programs are also included: DVIcopy, written by Peter Breitenlohner, MetaPost and its utilities (derived from Metafont), by John Hobby, etc.
- So I wonder what differences and relations are between Tex distributions and Tex implementations?
- If Web2c is not a TeX distribution, then why?
- What else besides Web2c are also examples of TeX implementations?