Movements

b   previous word
w   next word
e        end of word
0/^      begining of line
$        end of line
G        end of file
1G/gg    begining of file
/pattern  search next
?pattern  search previous
n         repeat    search forword ( i.e next occurence )
N         repeat    search backword
:line     goto line specified

  *****Modes****
  i   insert mode
  r   replace mode
  s   delete character under cursor and eneter insert mode

  *****Delete******
  x    delete character under cursor
  dd   delete current line
  line dd delete number of lines specified

  ****copy********
  yy        copy current line
  pp        print copied contents
  line yy   copy number of lines specified

  *******visual******

  v     enter visual mode
  aw    highlight word
  as    highlight sentence
  ap    highlight paragraph
  ab    highlight block

  ******undo/redo******
  u       undo
  cntrl+r redo

  ******autocomplete****
  cntrl+x   enter completion mode
  cntrl+p   display autocomplete options

  ******uppercase/lowercase*****
  guu   lowercase line
  gUU   uppercase line

  *******Regx replace****

  range s/foo/bar/arg - replace foo with bar in ‘range’ with

  Values of 'range':
  %               whole file
  number          that particular line
  none            apply to current line only

  values of 'arg':
  none  apply to first occurrence
  g     global (all occurrences)

Select/Macros
  qchar      start recording macro storing it in register ‘char’
  q          end recording
  @char      replay the macro stored in ‘char’
  :1,10 norm! @char run the macro stored in ‘char’ over the 1-10 line range