How to convert man page to HTML on Linux and Unix

There are a few ways to convert a man page to HTML on Linux and Unix. One method is to use the command line tool "groff" to format the man page as HTML. Here is an example command:

groff -mandoc -Thtml manpage.1 > manpage.html

Another method is to use the command line tool "man2html" to convert the man page to HTML. Here is an example command:

man -T html manpage.1 > manpage.html

You can also install man2html on Ubuntu.

sudo apt install man2html

and then you can use it like this:

man2html manpage.1 > manpage.html

You can use any of these command to convert man page to HTML on Linux and Unix.