List of commands for Vim

gistfile1.txt

// Split window on open file
:split filetoopen.py or vertical :vsplit sistema.py

// For navigate on windows intances
Ctrl+w+Arrows or Ctrl+ww 

// Show numbers on lines
:set number 

// Search & replace
/keyword or reverse search ?keyword
have to replace 
:s/keyword/keywordreplace/