The man pages are the best place to start for solving problems (in my experience).
I think the GNU/Linux man pages are generally inferior to Solaris man pages, primarily because of the lack of examples.
The content of man
pages can vary, sometimes dramatically. For example, compare:
info sort (same as man sort)
info coreutils sort (has more information and examples)
The navigation methods in man and info also differ significantly.
I suggest that one should start with
then look near the end of the manpage, and you may see something similar to:
The full documentation for sort is maintained as a Texinfo manual. If
the info and sort programs are properly installed at your site, the
info coreutils sort
should give you access to the complete manual.
There also several conversion and viewing utilities (e.g. texi2html
Best wishes ... cheers, makyo