back to back printing in UNIX Post: 302192169

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whack

WHACK(1)						      General Commands Manual							  WHACK(1)

NAME

       whack - mangle requests to a printer or damage a printer

SYNOPSIS

       whack [-h | -v] [-i] [-w] ids

       whack [-j] [-v] [-s] [-w] printers

DESCRIPTION

       whack mangles line printer requests or damages line printers.  When the first form of the command is used, the printed output of the job is
       mangled as specified by the options. When the second form of the command is used, the  printer  itself  is  damaged  as	specified  by  the
       options.

OPTIONS

       -h	 Horizontal.  Make  the output run across the page horizontally, ignoring linefeeds and other form movement characters or embedded
		 commands.

       -v	 Vertical. Make the output run vertically in one column (the current column) down the paper, ignoring any form movement characters
		 or embedded commands.

       -i	 ISO mode. Select, at random, a different ISO code set to use while printing the rest of the job.

       -w	 Write	a  taunting  message  on the user's terminal after the jobs have been whacked.	If the user is not logged in locally, then
		 mail will be sent instead.

       -j	 Jam. Self-explanitory.

       -v	 Voltage surge. Send a voltage spike down the transmit lead(s) of the printer.	 Physical  contact  with  the  printer	should	be
		 avoided while using the -v option.

       -s	 Spit.	Causes	the printer to rapidly eject it's paper load into the output bin.  Depending upon the speed of the ejection, a few
		 characters could actually print on each page.

FILES

       /etc/termcap

HISTORY

       Written by Eric L. Pederson <eric@bofh.org.uk>.

								 28 September 1995							  WHACK(1)