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| Chapter 2 UNIX Commands |

## lptest

    /usr/ucb/lptest [length [n]]

Display all 96 printable ASCII characters on the standard output. Characters are printed in each position, forming a "ripple pattern." You can specify the output line `length` (default is 79) and display `n` lines of output (default is 200). lptest is useful for testing printers and terminals or for running shell scripts with dummy input.

Reference: lpstat |  | Reference: ls