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lp.4: tfix + ffix 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2020-04-22 22:12:40 +02:00
parent af52fb487f
commit c5885e4fff
1 changed files with 5 additions and 2 deletions
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@ -33,8 +33,11 @@ lp \- line printer devices
\fBlp\fP[0\(en2] are character devices for the parallel line printers;
they have major number 6 and minor number 0\(en2.
The minor numbers
correspond to the printer port base addresses 0x03bc, 0x0378 and 0x0278.
Usually they have mode 220 and are owned by root and group lp.
correspond to the printer port base addresses 0x03bc, 0x0378, and 0x0278.
Usually they have mode 220 and are owned by user
.I root
and group
.IR lp .
You can use printer ports either with polling or with interrupts.
Interrupts are recommended when high traffic is expected, for example,
for laser printers.