Adding support for more users

On Wed, 18 Nov 1998, Keyser Soze wrote:

> in general, what are the steps for increasing the number of available
> multiple logins?

up maxusers in your kernel config. up your pty pseudo-device count
there as well. rebuild and install your kernel.

run MAKEDEV to make more ptys. apply this patch if you need a lot
more, like we do on monkey.org (where everyone and their brother runs
screen - which you should also rebuild for expanded pty support):

*** MAKEDEV	Sun Nov  2 03:30:39 1997
--- MAKEDEV.dugsong	Wed Nov 11 13:37:48 1998
***************
*** 372,381 ****
  	3) offset=48 name=s;;
  # Note that telnetd, rlogind, and xterm (at least) only look at p-s.
  	4) offset=64 name=t;;
  	*) echo bad unit for pty in: $i;;
  	esac
  	case $class in
! 	0|1|2|3|4)
  		umask 0
  		n=0
  		while [ $n -lt 16 ]
--- 372,392 ----
  	3) offset=48 name=s;;
  # Note that telnetd, rlogind, and xterm (at least) only look at p-s.
  	4) offset=64 name=t;;
+ 	5) offset=80 name=u;;
+ 	6) offset=96 name=v;;
+ 	7) offset=112 name=w;;
+ 	8) offset=128 name=x;;
+ 	9) offset=144 name=y;;
+ 	10) offset=160 name=z;;
+ 	11) offset=176 name=P;;
+ 	12) offset=192 name=Q;;
+ 	13) offset=208 name=R;;
+ 	14) offset=224 name=S;;
+ 	15) offset=240 name=T;;
  	*) echo bad unit for pty in: $i;;
  	esac
  	case $class in
! 	0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15)
  		umask 0
  		n=0
  		while [ $n -lt 16 ]

-d.