Starting with Vim - The Absolute Basics
i
Insert Mode, for notepad style text editingesc
Command Mode, for running any of the following commandsv
Visual Mode, to select texth
j
k
l
Move cursor left, down, up, rightd
Cuty
Copyp
Pasteu
Undoctrl + r
Redo:w
Save:q
Quit/ + target
Findn
Find nextN
Find previous:%s/target/replacement/gc
Find and replace, globally, with confirmation
To learn more, go to http://vim.wikia.com. Use the search functionality.