July 2007
Beginner
347 pages
4h 40m
English
Content preview from CLI for Noobies: A Primer on the Linux Command Line
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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.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.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.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.
Chapter 40. Hex Dump Unlocks Mysteries
The hex dump utility may not have been designed with an education goal in mind, or as an exploring tool, but it does a great job at both.
If you have ever been curious about what mysteries lurk within an executable binary, a word processing document, or even an image, hex dump can help you scratch that itch.
As a side benefit you will gain familiarity with the hexadecimal or base 16 numbering system, which is often referred to simply as hex.
To get started, try generating a hex dump of the file you want to examine without any syntax options, using a command like this:
A Hex Dump
linux~>hexdump /usr/bin/hexdump. The first few lines of the output should look something like this: 0000000 457f 464c 0101 0001 0000 ... |
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