Conventions  

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

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "We accomplish this through the semanage login command."

A block of code is set as follows:

dbadm_r
  Dominated roles:
    dbadm_r
  Types:
    qmail_inject_t
    dbadm_t
    ...
    user_mail_t

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

# seinfo -amcs_constrained_type -x | grep virt_

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Once loaded, select New Analysis to initiate the policy analysis functions."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.