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lptest(8)							    lptest(8)



NAME

  lptest - Generates the line printer ripple test pattern

SYNOPSIS

  lptest [length [count]]

OPTIONS

  length
      Specifies	the output line	length when the	79-character default line
      length is	inappropriate.

  count
      Specifies	the number of output lines to be generated when	the default
      200-line length is inappropriate.	 When count is specified, length must
      also be specified.

DESCRIPTION

  The lptest command writes a traditional ripple test pattern to the standard
  output. In 96	lines, a pattern containing all	96 printable ASCII characters
  in each column position of the line is printed. In the pattern, each
  printed character is displaced rightward one character-column	on each	suc-
  cessive line.	Originally created to test printers, the ripple	test pattern
  is also useful for testing terminals,	driving	terminal ports during debug-
  ging,	and for	any other diagnostic task where	a quick	output of randomized
  data is needed.

FILES

  /usr/sbin/lptest
      Specifies	the command path

SEE ALSO

  Commands: lp(1), lpr(1)