SELinux

Conventions Used in This Book

This book uses the following typographical conventions:

Italic

Used for commands, programs, and options. Italic also indicates new terms, URLs, filenames and file extensions, and directories.

Constant Width

Used to show the contents of files or the output from commands. Constant width is also used to indicate domains, types, roles, macros, processes, policy elements, aliases, rules, and operations.

Constant Width Bold

Used in examples and tables to show commands or other text that should be typed literally by the user.

Constant Width Italic

Used in examples and tables to show text that should be replaced with user-supplied values.

Tip

This icon signifies a tip, suggestion, or general note.

Warning

This icon signifies a warning or caution.

A final word about syntax: in many cases, the space between an option and its argument can be omitted. In other cases, the spacing (or lack of spacing) must be followed strictly. For example, -wn (no intervening space) might be interpreted differently from -w n. It’s important to notice the spacing used in option syntax.

Keyboard Accelerators

In a keyboard accelerator (such as Ctrl-Alt-Del), a dash indicates that the keys should be held down simultaneously, whereas a space means that the keys should be pressed sequentially. For example, Ctrl-Esc indicates that the Control and Escape keys should be held down simultaneously, whereas Ctrl Esc means that the Control and Escape keys should be pressed sequentially.

IF a keyboard ...