February 2004
Intermediate to advanced
383 pages
11h 49m
English
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Name
od
Synopsis
od [-c] [-a] [-b] [-B] [-o] [-O] [-d] [-D] [-i] [-I] [-l] [-L] [-f] [-e]
[-F] [-h] [-x] [-H] [-X] [-v] [filename]Description
Prints the
contents of a file to standard
output in a variety of formats. (If no filename is specified, it acts
on the contents of standard input.) The name is an acronym for
octal dump, from its default behavior of
displaying files as series of octal numbers.
od has been deprecated in favor of
hexdump; in fact, the two binaries are
hard-linked to the same data. However, traditional
od syntax applies when invoked by that name. See
the hexdump manpage for more.
Options/Usage
- -a
Displays content in 1-byte chunks of ASCII characters, hexadecimal numbers, and short strings representing control characters.
- -b
Displays content in 1-byte chunks of octal numbers.
- -B
Displays content in 2-byte chunks of octal numbers. This option is the default.
- -c
Displays content in 1-byte chunks of ASCII characters, octal numbers, and escape sequences representing control characters. This is probably the most commonly used option.
- -d
Displays content in 2-byte chunks of unsigned decimal integers.
- -D
Displays content in 4-byte chunks of unsigned decimal integers.
- -e
Displays content in 8-byte chunks of decimal floating-point numbers.
- -f
Displays content in 4-byte chunks of decimal floating-point numbers.
- -F
Same as -
e.- -h
Displays content in 2-byte chunks of hexadecimal numbers.
- -H
Displays content in 4-byte chunks of hexadecimal numbers.
- -i
Displays content in 2-byte chunks of signed decimal ...
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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.