A windowed man page viewer: open x-man-page://cmp

Do this from the terminal command line: open x-man-page://cmp. Neat, huh?

Better, do this from the command line: open -e ~/.bash_profile and then add these lines somewhere to the startup script:

mann() {
  open x-man-page://$1

and save it. Now open a new terminal window and type: mann man.