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There are 2 kinds of SysOp macros:
'^' is replaced by <Esc>
shell-definition MUST start with a '@'. The string
                  following the '@' should contain the DOS command to
                  be executed. You can, of course, use the special
                  shell options from menu function 7.
Take this for an example:
                  Suppose you have set 'Swapping' to 'No' in ProCFG.
                  Should you, however, need ALL your system memory in
                  the shell, you could define the following macro:
                  @*C*N*Q*X (COMMAND.COM, NoLog, NoMsg, Swapping).
hotkey. A string macro should start with a back
                  quote (`) character. When the hotkey is pressed,
                  the line of text will be sent to the user and
                  displayed on your local screen.