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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hexdump | 205
Linux
Commands
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
Options
-c num[b|k|m], --bytes num [b|k|m]
Print first num bytes or, if num is followed by b, k,orm, first
num 512-byte blocks, 1-kilobyte blocks, or 1-megabyte blocks.
--help
Display help and then exit.
-n num, --lines num, -num
Print first num lines. Default is 10.
-q, --quiet, --silent
Quiet mode; never print headers giving filenames.
-v, --verbose
Print filename headers, even for only one file.
--version
Output version information and then exit.
Examples
Display the first 20 lines of phone_list:
head -20 phone_list
Display the first 10 phone numbers having a 202 area code:
grep '(202)' phone_list | head
hexdump
hexdump [options] file
Display specified file or input in hexadecimal, octal, decimal, or
ASCII format. Option flags are used to specify the display format.
Options
-b Use a one-byte octal display, meaning the input offset is in
hexadecimal and is followed by 16 three-column octal data
bytes, filled in with zeroes and separated by spaces.
-c Use a one-byte character display, meaning the input offset is in
hexadecimal and is followed by 16 three-column entries, filled
in with zeroes and separated with spaces.
-C Canonical mode. Display hexadecimal offset, two sets of eight
columns of hexadecimal bytes, then a | followed by the ASCII
representation of those same bytes. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.