Command Center

To display the mode specific maps, prefix the ':map' command with the letter representing the mode.

:nmap - Display normal mode maps :imap - Display insert mode maps
:vmap - Display visual and select mode maps
:smap - Display select mode maps
:xmap - Display visual mode maps
:cmap - Display command-line mode maps
:omap - Display operator pending mode maps


REFERENCES
http://vim.wikia.com/wiki/Mapping_keys_in_Vim_-_Tutorial_%28Part_1%29