LP

Section: Devices and Network Interfaces (4)
Updated: vax
Index Return to Main Contents

BSD mandoc
BSD 4  

NAME

lp - line printer  

SYNOPSIS

device lp0 at uba0 csr 0177514 vector lpintr  

DESCRIPTION

The lp device supports DEC and DEC compatible printers on the LP-11 parallel interface.

The unit number of the printer is specified by the minor device after removing the low 3 bits, which act as per-device parameters. Currently only the lowest of the low three bits is interpreted: if it is set, the device is assumed to have a 64-character set or half -ASCII mode, rather than a full 96-character set.

If the 64-character set is assumed, any lower case characters are mapped to upper case; left curly and right curly braces are mapped to left and right parentheses over laid with a hyphen; grave accents are mapped to acute accents with overlaid with a hyphen; the pipe bar character is mapped to an exclamation sign overlaid with a hyphen; and the tilde character is mapped to a carat overlaid with a hyphen.

The default page width is 132 columns; longer lines are truncated. This may be overridden by specifying, for example, `flags' 256 .  

FILES

/dev/lp

 

SEE ALSO

lpr(1)  

HISTORY

A driver appeared in AT&T System v6 .


 

Index

NAME
SYNOPSIS
DESCRIPTION
FILES
SEE ALSO
HISTORY

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Time: 06:48:33 GMT, May 19, 2025