How to do "page up" while browsing unix "man" command pages?
unix
Solution
It depends on the pager that the `man` command uses on your system.
If it is `less` (as in 'less is more'), then you can go backwards. (With `less`, b goes back a page, amongst other options for doing that; so does Control-B. The h command gives me several pages full of options that I seldom or never use.)
If the pager is `more` (as in ... oh, there isn't an inverse jibe), then the answer may well be 'No, you cannot go backwards'.
On Mac OS X (10.7.4), the `man man` command cites the environment variables MANPAGER and HTMLPAGER that can be set; the default MANPAGER is `less`.
Problem
I know I can do a "page down" using keyboard "spacebar" while browsing "man" command output on unix terminal window. Is there a corresponding keyboard shortcut for "page up"? To be generic, is there a list of keyboard shortcuts for man command? I did "man man" with no luck.