Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!purdue!bu-cs!dartvax!eleazar.dartmouth.edu!earleh
From: earleh@eleazar.dartmouth.edu (Earle R. Horton)
Newsgroups: comp.sys.mac
Subject: Re: What a joke Emacs is (CTRL-Q/S controversy)
Summary: Rlogin tips.
Message-ID: <9177@dartvax.Dartmouth.EDU>
Date: 9 Jul 88 03:45:27 GMT
References: <3601@csvax.liv.ac.uk> <23571@teknowledge-vaxc.ARPA> <3918@csvax.liv.ac.uk> <1717@iscuva.ISCS.COM>
Sender: news@dartvax.Dartmouth.EDU
Reply-To: earleh@eleazar.dartmouth.edu (Earle R. Horton)
Organization: Dartmouth College, Hanover, NH
Lines: 43

In article <1717@iscuva.ISCS.COM> jimc@iscuva.ISCS.COM (Jim Cathey) writes:
>In article <3918@csvax.liv.ac.uk> sqrkl@csvax.liv.ac.uk writes:
...
>>support XON/XOFF as a matter of course and you WOULD be foolish to run a
>>terminal emulator at high speeds without XON/XOFF active.

I predict that Richard Lloyd will shut up when he figures out how to
write code which will keep up with the serial ports on a Mac.  Until
then, we have to put up with pompous statements like this, and I don't
think there is anything we can do about it except for praying for his
timely growth out of his present unenlightened state.

>The really sick thing about all this is the pervasiveness of the
>XON/XOFF/7-bit-only mindset -- to the point of some Ethernet connections being
>unable to be anything else.  Witness rlogin (TCP/IP) over Ethernet.  Suuuure
>you need XON/XOFF over a packetized, guaranteed delivery system.  Better clear
>that high bit too -- it could be dangerous!

This does not appear to be the fault of the Ethernet connection in
most cases, but rather that rlogin allows flow control to be handled
locally.  The point is that XON/XOFF is not needed over the Ethernet,
but might be needed at the local end, especially if you are using a
DEC terminal or VT100 Maculator!  I don't know why rlogin normally
strips the high bit, but it can be told not to do so on the command
line.  I think the 7-bit deal is really ASCII parochialism, but the
XON/XOFF stuff is there because most users are not in a state of
enlightenment comparable to ours and actually WANT it!  Here are some
"power-user" tips for rlogin/telnet.  Please do not release them to
the uninitiated!

To disable XON/XOFF before using rlogin, try "stty stop \\200."  This
disables flow control completely.  If you want to use the high bit
through rlogin, use "rlogin  -8."  If you plan on doing file
transfers and such through the rlogin, better to do "stty raw" first.
If using VMS as the local host, use "set term/passall" before the
rlogin.  If all else fails, read the man page.

>	Member:  Society For The Preservation Of Binary Comm Paths.

The paths are there, but they are hidden from all but us wizards.

Earle Horton

 "You are in a maze of twisty little passages, all alike."