Find the different rhel linux man pages online
# checkon github pages branch
git checkout gh-pages
# build all man pages on your host ofrhel7 or higher into HTML flies
sh build.sh rhel7/u3
# build all man pages on your host ofrhel6 or lower into HTML flies
sh build-rhel6.sh rhel6/u8
# commit to repo
git add rhel7/u3
git commit -m 'add man page for new version system'
# push to your github pages
git push