Installation guide
Preface
1. Audience
The target audience for this guide includes system administrators who aim to manage updates for
systems within an internal network.
2. Document Conventions
This manual uses several conventions to highlight certain words and phrases and draw attention to
specific pieces of information.
In PDF and paper editions, this manual uses typefaces drawn from the Liberation Fonts set. The
Liberation Fonts set is also used in HTML editions if the set is installed on your system. If not, alternative
but equivalent typefaces are displayed. Note: Red Hat Enterprise Linux 5 and later include the Liberation
Fonts set by default.
2.1. Typographic Conventions
Four typographic conventions are used to call attention to specific words and phrases. T hese
conventions, and the circumstances they apply to, are as follows.
Mono-spaced Bold
Used to highlight system input, including shell commands, file names and paths. Also used to highlight
keys and key combinations. For example:
To see the contents of the file my_next_bestselling_novel in your current working
directory, enter the cat m y_next_bestselling_novel command at the shell prompt
and press Enter to execute the command.
The above includes a file name, a shell command and a key, all presented in mono-spaced bold and all
distinguishable thanks to context.
Key combinations can be distinguished from an individual key by the plus sign that connects each part of
a key combination. For example:
Press Enter to execute the command.
Press Ctrl+Alt+F2 to switch to a virtual terminal.
The first example highlights a particular key to press. The second example highlights a key combination:
a set of three keys pressed simultaneously.
If source code is discussed, class names, methods, functions, variable names and returned values
mentioned within a paragraph will be presented as above, in mono-spaced bold. For example:
File-related classes include filesystem for file systems, file for files, and dir for
directories. Each class has its own associated set of permissions.
Proportional Bold
This denotes words or phrases encountered on a system, including application names; dialog box text;
labeled buttons; check-box and radio button labels; menu titles and sub-menu titles. For example:
Preface
7