Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

There are three styles for code. Code words in text are shown as follows: " In Windows, the ipconfig command also allows the user to release and renew DHCP information."

A block of code will be set as follows:

james@horus: ~ $ sudo nmap 10.10.2.32 -T Insane -O
Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2006-05-02 21:36 BST
Interesting ports on 10.10.2.32:
(The 1662 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
22/tcp open ssh
MAC Address: 00:30:AB:19:23:A9 (Delta Networks)
Device type: general purpose
Running: Linux 2.4.X|2.5.X|2.6.X
OS details: Linux 2.4.18 - 2.6.7
Uptime 0.034 days (since Tue May 2 20:47:15 2006)
Nmap finished: 1 IP address (1 host up) scanned in 8.364 seconds

Any command-line input and output is written as follows:

# mv /addons /addons.bak # tar xzvf /addons-2.3-CLI-b2.tar.gz -C / # cd /addons # ./addoncfg -u # ./addoncfg -i

New terms and important words are introduced in a bold-type font. Words that you see on the screen, in menus or dialog boxes for example, appear in our text like this: "We then go back to the addons page, click the Browse button, browse to the file we just downloaded, click Upload, and the addon is installed on the server."