(jed.info)Shells and Shell Commands

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Shells and Shell Commands
=========================

   The default binding to execute a shell command and pump the output
to a buffer is `ESC !'.  JED will prompt for a command line and spawn a
subprocess for its execution.

   Strictly speaking, JED does not support interactive subprocesses.
However, JED includes S-Lang code that "emulates" such a subprocess.
It may invoked by typing `shell' at the `M-x' minibuffer prompt.  A
window will be created with a buffer named `*shell*' attached to it.
Any text entered at the system dependent shell prompt will be executed
in a subprocess and the result stuffed back in the shell buffer. Don't
try to execute any commands which try to take over the keyboard or the
screen or something undesirable may happen.  Examples of types of
stupid commands are spawning other editors, logging in to remote
systems, et cetera.  Even `chdir' is stupid since its effect is not
permanent.  That is,

                > cd ..
                > dir

will not do what might naively be expected.  That is, the two commands
above are not equivalent to the single command `dir ..'.