Интерактивная система просмотра системных руководств (man-ов)
lptest (1)
>> lptest (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
lptest (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
lptest (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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 testing 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This command is obsolete.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:
