The Free On-line Dictionary of Computing (30 December 2018):
PDFTeXA modification of TeX to produce PDF output instead of the canonical DVI. pdftexlib.tar.gz (ftp://ftp.tug.org/pub/tex/pdftexlib.tar.gz). Thanh's source of pdfTeX (ftp://ftp.muni.cz/pub/tex/local/cstug/thanh/pdftex/). User Manual (http://tug.cs.umb.edu/applications/pdftex/pdftex-s.pdf). FAQ (http://tug.cs.umb.edu/applications/pdftex/pdfTeX-FAQ-scr.pdf). (2000-12-21)