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EX(1)									 EX(1)

NAME
       ex, edit - text editor

SYNOPSIS
       ex [ - ] [ -v ] [ -t tag ] [ -r ] [ +command ] [ -l ] name ...
       edit [ ex options ]

DESCRIPTION
       Ex  is  the  root  of  a	 family	 of editors: edit, ex and vi.  Ex is a
       superset of ed, with the most notable extension being a display editing
       facility.  Display based editing is the focus of vi.

       If  you	have not used ed, or are a casual user, you will find that the
       editor edit is convenient for you.  It avoids some of the  complexities
       of ex used mostly by systems programmers and persons very familiar with
       ed.

       If you have a CRT terminal, you may wish to use a display based editor;
       in this case see vi(1), which is a command which focuses on the display
       editing portion of ex.

DOCUMENTATION
       The  document  Edit:  A	tutorial  (USD:14)  provides  a	 comprehensive
       introduction to edit assuming no previous knowledge of computers or the
       UNIX system.

       The Ex Reference Manual - Version 3.7 (USD:16) is a  comprehensive  and
       complete	 manual	 for  the  command mode features of ex, but you cannot
       learn to use the editor by reading it.  For  an	introduction  to  more
       advanced	 forms of editing using the command mode of ex see the editing
       documents written by Brian Kernighan for the editor ed; the material in
       the introductory and advanced documents works also with ex.

       An  Introduction	 to  Display  Editing  with Vi (USD:15) introduces the
       display editor vi and provides reference material on vi.	 In  addition,
       the  Vi Quick Reference card summarizes the commands of vi in a useful,
       functional way, and is useful with the Introduction.

FILES
       /usr/lib/ex?.?strings	     error messages
       /usr/lib/ex?.?recover	     recover command
       /usr/lib/ex?.?preserve	     preserve command
       /etc/termcap		describes capabilities of terminals
       ~/.exrc			editor startup file
       /tmp/Exnnnnn		editor temporary
       /tmp/Rxnnnnn		named buffer temporary
       /usr/preserve		preservation directory

SEE ALSO
       awk(1), ed(1), grep(1), sed(1), vi(1), termcap(5), environ(7)

AUTHOR
       Originally written by William Joy
       Mark Horton has maintained the editor since version 2.7, adding macros,
       support	for  many  unusual  terminals, and other features such as word
       abbreviation mode.

BUGS
       The undo command causes all marks to be lost on lines changed and  then
       restored if the marked lines were changed.

       Undo never clears the buffer modified condition.

       The  z  command	prints a number of logical rather than physical lines.
       More than a screen full of output may result if long lines are present.

       File input/output errors don't print a name if  the  command  line  `-'
       option is used.

       There is no easy way to do a single scan ignoring case.

       The  editor  does  not  warn if text is placed in named buffers and not
       used before exiting the editor.

       Null characters are discarded in input  files,  and  cannot  appear  in
       resultant files.

4th Berkeley Distribution	 June 5, 1986				 EX(1)
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