Como obter ajuda quando estiver desenvolvendo em VIM?
Put the cursor at the word that you want and click "shift + k", the man page of specific command will open
Coloque o cursor na palavra que deseja e click "shift + k", a página do comando específico irá abri
Is the same that you do in command line:
man 3 <word>
Section of man page on Unix:
| 
Section | 
Description | 
| 
1 | 
General commands | 
| 
1M | 
System
  administration commands and daemons | 
| 
2 | 
System calls | 
| 
3 | 
C library functions | 
| 
4 | 
File formats and conventions | 
| 
5 | 
Miscellanea | 
| 
6 | 
Games and screensavers | 
| 
7 | 
Special files
  (usually devices, those found in /dev) and drivers | 
