This form of text is designed to be typed exactly as seen unless otherwise noted in the surrounding text. It is also used in the explanation sections to identify which of the commands is being referenced.

This form of text (fixed width text) is showing screen output, probably as the result of commands issued, and is also used to show filenames, such as /etc/ld.so.conf.

This form of text is used for several purposes in the book, mainly to emphasize important points, and to give examples of what to type.

This form of text is used for hyperlinks, both within the book and to external pages such as HOWTOs, download locations and websites.

This type of section is used mainly when creating configuration files. The first command tells the system to create the file $LFS/etc/group from whatever is typed on the following lines until the sequence EOF is encountered. Therefore, this whole section is generally typed as seen.