Install udo by entering the following commands in the terminal:
sudo apt update sudo apt install udo
Description:
universal document - text processing utility
UDO is a powerful and multipurpose utility for making documentation or any other text file that is needed in one text format or more. UDO documents can be converted to ASCII, HTML, LaTeX, nroff, PostScript, RTF and many more. Though UDO is powerful, it's quite easy to understand and to use.
Homepage: http://www.udo-open-source.org/
Version: 6.4.1-4
Section: universe/text