goto start
     [[
 goto end
     ]]
 goto 1st line
     gg
 goto {N} line
     {N}G
 goto last line
     GG
 goto first character of line
     0
 goto last character of line
     $
 search
     /string
 next match
     n
 prev match
     N
 multiple {str} {N} times
     {N}i{string} ESC
 auto indent lines below
     =G
 insert after
     o
 insert before
     O
 remove character
     x
 repeat last command
     .
 replace {A} with {B} in line {M} to {N} ('g' stands for replace all)
    :{M},{N}s/{A}/{B}/g
 replace {A} with {B} in all lines
     :%s/{A}/{B}