Package texlive-texdoc

Documentation access for TeX distributions

http://tug.org/texlive/

TeXdoc is an application for easy access to the package
documentation of a TeX distributions (i.e., .dvi, .pdf or .ps
files on the $TEXDOCS tree). It is distributed with TeX-Live
and a derivative is distributed with miktex.

General Commands
Command Description
texdoc find & view documentation in TeX Live
texdoctk GUI for easier access of TeX package and program documentations