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   minicom    ( 1 )

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MISC

If minicom is hung, kill it with SIGTERM . (This means kill -15,
       or since sigterm is default, just plain "kill <minicompid>". This
       will cause a graceful exit of minicom, doing resets and
       everything.  You may kill minicom from a script with the command
       "! killall -9 minicom" without hanging up the line. Without the
       -9 parameter, minicom first hangs up before exiting.

       Since a lot of escape sequences begin with ESC (Arrow up is ESC [
       A), Minicom does not know if the escape character it gets is you
       pressing the escape key, or part of a sequence.

       An old version of Minicom, V1.2, solved this in a rather crude
       way: to get the escape key, you had to press it twice.

       As of release 1.3 this has bettered a little: now a 1-second
       timeout is builtin, like in vi. For systems that have the
       select() system call the timeout is 0.5 seconds. And... surprise:
       a special Linux-dependent hack :-) was added. Now, minicom can
       separate the escape key and escape-sequences. To see how dirty
       this was done, look into wkeys.c.  But it works like a charm!