(ddd.info)TTY mode

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Enter node , (file) or (file)node

10.2 Entering Commands at the TTY
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Rather than entering commands at the debugger console, you may prefer to
enter commands at the terminal window DDD was invoked from.

   When DDD is invoked using the `--tty' option, it enables its _TTY
interface_, taking additional debugger commands from standard input and
forwarding debugger output to standard output, just as if the inferior
debugger had been invoked directly.  All remaining DDD functionality
stays unchanged.

   By default, the debugger console remains closed if DDD is invoked
using the `--tty' option.  Use `View => Debugger Console' to open it.

   DDD can be configured to use the `readline' library for reading in
commands from standard input.  This GNU library provides consistent
behavior for programs which provide a command line interface to the
user.  Advantages are GNU Emacs-style or "vi"-style inline editing of
commands, `csh'-like history substitution, and a storage and recall of
command history across debugging sessions.  *Note Command Line Editing:
(gdb)Command Line Editing, for details on command-line editing via the
TTY interface.