July 2005
Intermediate to advanced
944 pages
158h 24m
English
book
Linux in a Nutshell, Fifth Edition
by Ellen Siever, Aaron Weber, Stephen Figgins, Robert Love, Arnold Robbins
Content preview from Linux in a Nutshell, Fifth Edition
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Chapter 3: Linux Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
-i irq
Use irq for specified parallel port. Ignore -t and -c. If 0, restore
noninterrupt-driven (polling) action.
-o [on|off]
Specify whether to abort if device is not online or is out of
paper.
-q [on|off]
Specify whether to print current IRQ setting.
-r Reset port.
-s Display printer’s current status.
-t time
Specify a delay of time in jiffies to sleep before resending a
refused character to the device. A jiffy is defined as either one
tick of the system clock or one AC cycle time; it should be
approximately
1
⁄
100
of a second.
-T [on|off]
Tell the lp driver whether it can trust the IRQ. Useful only if
using with interrupts, to handle IRQ printing efficiently.
Requires at least Linux 2.1.131.
-w time
Specify a delay of time in jiffies to sleep before resending a
strobe signal.
ul
ul [options] [names]
Translate underscores to underlining. The process will vary by
terminal type. Some terminals are unable to handle underlining.
Options
-i When on a separate line, translate - to underline instead of
translating underscores.
-t terminal-type
Specify terminal type. By default, TERM is consulted.
umount
umount [options] [directory]
System administration command. Unmount filesystem specified by
directory. You may also specify the filesystem by device name.
umount announces to the
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.