lptest — Generate Line Printer Ripple Pattern
Synopsis
/usr/ucb/lptest [length [count]]
Description
lptest writes the traditional ripple test pattern to the standard output. In 96 lines, the ripple test pattern prints all 96 printable ASCII characters in each position. The ripple test pattern was originally created to test printers. It is also useful for testing terminals, driving terminal ports, debugging, and performing tasks that require a quick supply of random data.
Note
This command is obsolete.
Options
| length | Specify the length of the output line in characters. The default is 79 characters. |
| count | Specify the number of output lines. The default is 200 lines. If you specify count , you must also specify length . |
Exit Status
| 0 | Successful ... |
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