Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Manual page 12

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Linux commands (and other operating system commands, when used) are represented this way.
This style should indicate to you that you can type in the word or phrase on the command line
and press
displayed in a different style on their own (e.g., filenames). In these cases, they are considered
to be part of the command, so the entire phrase will be displayed as a command. For example:
Use the cat testfile command to view the contents of a file, named testfile, in the
current working directory.
filename
Filenames, directory names, paths and RPM package names are represented this way. This style
should indicate that a particular file or directory exists by that name on your Red Hat Linux
system. Examples:
The .bashrc file in your home directory contains bash shell definitions and aliases for your
own use.
The /etc/fstab file contains information about different system devices and filesystems.
The /usr/share/doc directory contains documentation for various programs.
Install the webalizer RPM if you want to use a Web server log file analysis program.
application
This style should indicate to you that the program named is an end-user application (as opposed
to system software). For example:
Use Netscape Navigator to browse the Web.
[key]
A key on the keyboard is shown in this style. For example:
To use
display the list of files in the directory that start with that letter.
[key]-[combination]
A combination of keystrokes is represented in this way. For example:
The
[Ctrl]-[Alt]-[Backspace]
text found on a GUI interface
A title, word or phrase found on a GUI interface screen or window will be shown in this style.
When you see text shown in this style, it is being used to identify a particular GUI screen or an
element on a GUI screen (e.g., text associated with a checkbox or field). Examples:
On the GNOME
to invoke a command. Sometimes a command contains words that would be
[Enter]
completion, type in a character and then press the
[Tab]
key combination will restart the X Window System.
Control Center
screen, you can customize your GNOME window manager.
Introduction
key. Your terminal will
[Tab]