host1:root> help_vi h
cursor move
	h	left
	l	right
	j	up
	k	down

insert Mode
        a       append after cursor
        A       append at eol
        c       change
        C       change to eol
        i       insert before cursor    
        I       Insert at beginning of line
        o       open line below
        O       open line above
        R       replace

Syntax
        [n] operator [m] object
        c       change
        d       delete
        y       yank

Screens
        ctrl-F  scroll forward
        ctrl-B  scroll backward
        
Searches
        /text   search forward to text
        n       repeat search
        N       repeat search opposite direction
        /       repeat forward search
        ?       repeat backward search
Substitutions
        g/$/s/pattern/tpatter/g
        g/^/s/pattern/tpattern/g

Line Numbering
        ctrl-G  display current line number
        nG      move to line number n
        G       move to last line in file
        :n      move to line number n

Marking Positions
        mx      markl current position with char x
        'x      move cursor to mark x
        ``      move to previous mark

Deleting
        dG      delete to end of file
        p       insert after cursor
        P       insert before cursor
        u       undo last change
        U       restore current line
        x       delete current cursor position
        X       delete back one char

Coping
        y       copy current line to new buffer
        yy      copy current line
        "xyy    yank current line to buffer x
        "xd     delete and append into buffer x
        "xp     put contents of buffer x

Multiple Files
        :e file         edit another file
        :n              edit next file
        :n files        specify new list of files

Unix
        :r file         read in file after cursor
        :r !command     read in output from command
        :so file        read and execute commands from file

Macros
        :ab in out      use in as abbrev for out
        :unab in        remove abbrev for in
        :ab             list abbrevs
        :map c seq      map char c as commands
        :unmap c        disable map for c
        :map            list char that are mapped
        :map! c seq     map c to input mode seq
        :unmap! c       disable input mode map
        :map!           list input mode chars

Misc
        J       join two lines
        :j!     join two lines with blanks spaces
        >>      shift line right
        ctrk-V          quote