i Phone 5

The iPhone 5 is a touchscreen-based smartphone developed by Apple. It is the sixth generation of the iPhone and succeeds the iPhone 4S. The phone is a slimmer, lighter model that introduces a higher-resolution, 4-inch screen to the series with 16:9 widescreen aspect ratio support. The phone also includes a custom-designed ARMv7 processor called the Apple A6, an update to Apple's mobile operating system known as iOS 6, and support for LTE.
Apple held an event to formally introduce the phone on September 12, 2012. After Apple began taking pre-orders on September 14, 2012, over two million were received within 24 hours. Initial demand for the iPhone 5 exceeded the supply available at launch on September 21, 2012, and has been described by Apple as "extraordinary", with pre-orders having sold twenty times faster than its predecessors.
While reception to the iPhone 5 has been generally positive, the new Maps application has been negatively received and was reported to contain many serious errors. Several hardware issues have also received criticism from consumers and reviewers, including an unintended purple hue in photos taken by the iPhone 5 and an issue with its coating being prone to chipping. In addition, there have been a small number of reports claiming a light leak around the bezel near the top of the display on white models. Also, some incompatibilities with certain LTE networks are an issue, despite being the first Apple phone to support LTE.

Sams Teach Yourself TCP/IP in 24 Hours

Description:
In just 24 lessons of one hour or less, you will uncover the inner workings of TCP/IP. Using a straightforward, step-by-step approach, each lesson builds on the previous ones, enabling you to learn the essentials of TCP/IP from the ground up.

Practical discussions provide an inside look at TCP/IP components and protocols.
Step-by-step instructions walk you through many common tasks.
Q&As at the end of each hour help you test your knowledge.
Notes and tips point out shortcuts and solutions and help you steer clear of potential problems.
If you’re looking for a smart, concise introduction to the protocols that power the Internet, start your clock and look inside. Sams Teach Yourself TCP/IP in 24 Hours is your guide to the secrets of TCP/IP.
Learn about…
Protocols at each layer of the TCP/IP stack
Routers and gateways
IP addressing
Subnetting TCP/IP networks
Name resolution techniques
TCP/IP utilities such as ping and traceroute
TCP/IP over wireless networks
IP version 6
The World Wide Web and how it works
TCP/IP mail protocols such as POP3, IMAP4, and SMTP
Casting, streaming, and automation
Web services
Detecting and stopping network attacks
Joe Casad “Sams Teach Yourself TCP/IP in 24 Hours”
Sams | English | October 2008 | ISBN: 0672329964 | 436 pages | PDF | 6,2 MB

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Ubuntu Linux Toolbox

Ubuntu Linux Toolbox

Description:
In this handy, compact guide, you’ll explore a ton of powerful Ubuntu Linux commands while you learn to use Ubuntu Linux as the experts do: from the command line. Try out more than 1,000 commands to find and get software, monitor system health and security, and access network resources.

Then, apply the skills you learn from this book to use and administer desktops and servers running Ubuntu, Debian, and KNOPPIX or any other Linux distribution.
Homepage

http://www.amazon.com/Ubuntu-Linux-Toolbox-Commands-Debian/dp/0470082933

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