:ED Command
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user's manual.

     The following are the error indicators given by ED --

          ?    Unrecognized Command
          >    Memory buffer full
          #    Cannot apply command the number of times specified
          O    Cannot open LIB file in R command
~
     The following are the control characters recognized by ED --

          ^C        System reboot
          ^E        Physical <CR> <LF> (not entered in command)
          ^H        Character delete (backspace)
          ^I        Logical tab
          ^J        New line (line feed)
          ^L        Logical <CR> <LF> in search and substitute strings
          ^M        New line (carriage return)
          ^U        Line delete
          ^X        Line delete and backspace
          ^Z        String terminator
          Rubout    Character delete
          Break     Discontinue command
~
     The following are the commands recognized by ED --

          nA        Append lines
          +/- B     Beginning/Bottom of buffer
          +/- nC    Move character positions
          +/- nD    Delete characters
          E         Exit
          nFs^Z     Find string
          H         End edit, close and reopen files
          Is^Z      Insert characters
          nJ        Place strings in juxtaposition
          +/- nK    Kill (delete) lines
          +/- nL    Move down/up lines
          nM        Macro definition
          O         Return to original file
          +/- nP    Move and print pages
          Q         Quit with no file changes
          R         Read library file
~
          nSs1^Zs2^Z
                    Substitute s2 for s1
          +/- nT    Type lines
          +/- U     Translate lower to upper case if U; none if -U
          +/- V     Engage/disengage line numbers (verify)
          0V        Print memory buffer info (free/total usage)
          nW        Write lines
          nX        Transfer n lines to X$$$$$$$.LIB
          0X        Empty X$$$$$$$.LIB
          nZ        Sleep
          +/- n     Move and type (+/- nLT)
          n:        Move to absolute line (V engaged)
          :n        Process from current line to specified line (V engaged)