gq]/ -- formatting comments

gg=G to format whole file

== to format current line

'=' to format selected region

:Man <command-name>  'or' type \K on word under cursor

"Ctrl-\ s" to find all occurences of a symbol using Cscope
"Ctrl-<space> s" to find all occurences of a symbol using Cscope (in a
  split window)

vim tips
--------
:set hlsearch
Use *
Use Ctrl-N command
Omni-completion: ^O^N^P
:!ctags -R
:tag init
:tnext

:grep \"<K_HOME\>" **/*.h
:clist, copen, cnext

goto file --> :gf
[I --> find the word under the cursor in include files
[<Tab> --> jump to the first match in include files (quite useful)