The collection comprises: dvibook, which will rearrange the
pages of a DVI file into 'signatures' as used when printing a
book; dviconcat, for concatenating pages of DVI file(s);
dviselect, which will select pages from one DVI file to create
a new DVI file; dvitodvi, which will rearrange the pages of a
DVI file to create a new file; and libtex, a library for
manipulating the files, from the old SeeTeX project. The
utilities are provided as C source with Imakefiles, and an MS-
DOS version of dvibook is also provided.

Homepage:
https://www.tug.org/texlive/
