Vi Editor Series III

Below commands must be used in visual mode (ctrl+v)

• Type  dw  to delete a word.
• Type  d$   to delete to the end of the line.
• Press  a  to append text.
• Type  %  to find a matching ),], or } .
• Type  :s/vlsispace_old/vlsispcae_new/g  to substitute ‘vlsispace_new‘ for ‘vlsispace_old‘ in the line
• Type   :%s/vlsispace_old/vlsispcae_new/g  to change every occurrence in the whole file.
• Type  :!     followed by an external command to execute that command.
• CTRL+R a few times  to redo the commands.
• Type CTRL+g to show your location in the file and the file status.
• Type  CTRL+G  to move to a line in the file.
• Press  G  to move you to the bottom of the file.
• Type  gg  to move you to the start of the file.
• Type  a  to insert text AFTER the cursor.
• Type  A  to insert text after the end of the line.
• Type a capital  R  to replace more than one character.
• yw  yanks one word.
• y  operator to copy text and  p  to paste it 
• Type  o  to open a line BELOW the cursor and start Insert mode.    Type  O  to open a line ABOVE the cursor.
• The  e  command moves to the end of a word.
• Typing “:set xxx” sets the option “xxx”.  Some options are:
  • ‘ic‘ ‘ignorecase’       ignore upper/lower case when searching
  • ‘is‘ ‘incsearch’        show partial matches for a search phrase
  • ‘hls‘ ‘hlsearch’        highlight all matching phrases
  •  You can either use the long or the short option name.
• Prep-end “no” to switch an option off:   :set noic
•  Vim has a comprehensive on-line help system.  To get started, try one of  these three:
  • press the <HELP> key (if you have one)
  • press the <F1> key (if you have one)
  • type   :help <ENTER>
•  You can find help on just about any subject, by giving an argument to the  “:help” command.
  • :help w
  • :help c_CTRL-D 
  • :help insert-index 
  • :help user-manual 
  • :help vimrc-intro
• There is a variable in VIM runtime..
  • $VIMRUNTIME/  ==> we can refer to this if want to know any vim  versions etc..
• Command line completion with CTRL-D and <TAB>