[ale] single user lockdown?

[nomad at orci.com (Nomad the Wanderer)]

  What would be the BEST way to lock up the single user login for Linux?
Right not a "linux 1" brings the machine up and drops you in a bash 
prompt.  Not good.  Any ideas?

Robert
---------------------------------------------------------------------------
Robert L. Harris                |   Windows --
Senior System Administrator II  |        Proof Micro$oft has
  at Great West Life.           \_            a room full of monkeys.

http://www.orci.com/~nomad

DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.

FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'