Before you start using this guide, it is important to understand the documentation conventions used in it.
The following kinds of formatting in the text identify special information.
| Formatting convention | Type of Information | Example | 
| Special Bold | Items you must select, such as menu options, command buttons, or items in a list. | Go to the System tab. | 
| 
 | Titles of chapters, sections, and subsections. | Read the Basic Administration chapter. | 
| Italics | Used to emphasize the importance of a point, to introduce a term or to designate a command line placeholder, which is to be replaced with a real name or value. | The system supports the so called wildcard character search. | 
| 
 | The names of commands, files, directories, and domain names. | The license file is located in the | 
| Preformatted | On-screen computer output in your command-line sessions; source code in XML, C++, or other programming languages. | 
 total 14470 | 
| Preformatted Bold | What you type, contrasted with on-screen computer output. | # cd /root/rpms/php | 
| CAPITALS | Names of keys on the keyboard. | SHIFT, CTRL, ALT | 
| KEY+KEY | Key combinations for which the user must press and hold down one key and then press another. | CTRL+P, ALT+F4 |