Amanjyaku <[EMAIL PROTECTED]> wrote:
> Cool. Now I see how it works. I used ZTerm for Usenet news groups 
> before they went to SSH.  Maybe I could find a local ISP that would 
> still let me use it.

ZTerm is just a serial telecommunications program, and it has nothing
to do with telnet or SSH.  In fact, it doesn't even run over TCP/IP
like telnet and SSH clients do.  Traditionally, terminal emulators
(like ZTerm) would be used over serial interfaces and you would be
restricted to one connection.  Modems are typically attached to a
serial interface, or the hardware simulates a serial interface.

Something like telnet and SSH will run over TCP/IP, which allows
you to have multiple connections.  Those multiple connections may
be any combination of telnet, ssh, http/https (web), nntp (usenet),
ftp, and so forth.  In order to use TCP/IP over a serial link you
would either use PPP or SLIP (older).  It is not possible for a
serial telecommunications program and PPP/SLIP to share a serial
port because of the nature of serial ports.  It is certainly possible
to switch between them.  For example: in the olden days you would
login to your ISP with a stripped down terminal emulator, then start
SLIP or PPP.

There may be a bit of confusion over what ZTerm does because serial
telecommunications programs are very similar to telnet/ssh clients
on non-Unix systems.  In fact, some programs can do serial, telnet,
and ssh.  This is because the bulk of the programming goes into the
terminal emulator.  The link protocols (serial, telnet, and ssh)
are relatively minor and easy to add.  This differs from Unix systems
because the console and/or xterm provides the terminal emulator.
Because of that, most of the programming effort goes into the link
protocols and you typically use separate programs.

Here's hoping that is a tad clearer than mud. :-)

Byron.

-- 
System6 is sponsored by <http://lowendmac.com/> and...

123Inkjets.com <http://lowendmac.com/ad/123inkjets.html>

      Support Low End Mac <http://lowendmac.com/lists/support.html>

  System 6 Heaven <http://www.euronet.nl/users/mvdk/system_6_heaven.html>

System6 info:           <http://lowendmac.com/lists/system6.html>
  --> AOL users, remove "mailto:";
Send list messages to:  <mailto:[EMAIL PROTECTED]>
To unsubscribe, email:  <mailto:[EMAIL PROTECTED]>
For digest mode, email: <mailto:[EMAIL PROTECTED]>
Subscription questions: <mailto:[EMAIL PROTECTED]>
Archive: <http://www.mail-archive.com/system6%40mail.maclaunch.com/>

Using a Mac? Free email & more at Applelinks! http://www.applelinks.com

Reply via email to