This directory contains a little program which allows one to
modify  the  send queue for prt... for those of you who feel
that Dec's new 3.2 spooling system  is  overkill.  Also,  we
have  graphics  printers which need to be attached when used
in plot mode. I can't any commands  which  allow  for  that.
Also  I  don't  want  all  those  installed tasks. The below
described program was taken  from  the  spq  (spooler  queue
display)  program  I  got  from  the  KMS  fusion kit (James
Downward's package). These two programs probably  should  be
merged.   Also   we   run  a  friendly  shop  and  thus  any
non-priveledged user can modify prt...'s queue. 

Usage:
      >lkpill
                                        or
      >lpk filename.uic[;version]

The first command  (lpkill)  saves  prt...'s  receive  queue
listhead  and  issues  an abort on prt... (connecting on its
exit). It then  restores  the  receive  queue  listhead  and
requests prt... Note that if lpk is aborted in the middle of
its  procedure  that  some  pool will be forever lost (maybe
even a system  crash).  However,  when  used  properly  this
command  will  abort the current listing and continue on the
next file in the queue. 

The second command format permits one to delete an entry  in
the  queue.  It  simply  zero's  the  file id portion of the
receive buffer so that prt... thinks the file was previously
deleted. We direct the message from prt...  to  our  console
which  is the only tty we set to full duplex. This is needed
or else prt... could hang forever if it can't  get  out  the
message. (It's lun 2). 
