SVR4.0 V2.0 -- lp(7) not configured as documented.

[Robert Withrow]

This is specifically for Intel SVR4.0 V2.0.

The documentation for lp(7) states that the /dev/lp(x) port operates
as documented in termio(7).  This is a *fib*, however, since no one
got around to telling the autopush(1) utility to push the terminal
line discipline module onto this device.  If you want the lp(7) driver
to operate as documented you want to add a line like this to your
/etc/ap/chan.ap file:

# major minor   lastminor       modules
    7     -1       0            ldterm ttcompat

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 Robert Withrow, R.W. Withrow Associates, Swampscott MA 01907 USA
 Tel: +1 617 598 4480, Fax: +1 617 598 4430, Net: witr at rwwa.COM