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lptest(1) [freebsd man page]

LPTEST(1)						    BSD General Commands Manual 						 LPTEST(1)

NAME
lptest -- generate lineprinter ripple pattern SYNOPSIS
lptest [length] [count] DESCRIPTION
The lptest utility writes the traditional "ripple test" pattern on standard output. In 96 lines, this pattern will print all 96 printable ASCII characters in each position. While originally created to test printers, it is quite useful for testing terminals, driving terminal ports for debugging purposes, or any other task where a quick supply of random data is needed. The length argument specifies the output line length if the default length of 79 is inappropriate. The count argument specifies the number of output lines to be generated if the default count of 200 is inappropriate. Note that if count is to be specified, length must be also be specified. HISTORY
A lptest utility appeared in 4.3BSD. BSD
December 30, 1993 BSD

Check Out this Related Man Page

lptest(1B)					     SunOS/BSD Compatibility Package Commands						lptest(1B)

NAME
lptest - generate line printer ripple pattern SYNOPSIS
/usr/ucb/lptest [ length [count]] DESCRIPTION
The lptest utility 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 test- ing terminals, driving terminal ports, debugging, and performing tasks that require a quick supply of random data. This command is obsolete. OPTIONS
length Specifies the length of the output line in characters. 79 characters is the default. count Specifies the number of output lines. 200 lines is the default. If count is specified, length must also be specified. EXIT STATUS
The following exit values are returned: 0 Successful completion. non-zero An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscplp | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) SunOS 5.10 9 Sep 1996 lptest(1B)

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