Conventions

This font indicates commands, keywords, options, literals, source code, system output, and path names. In syntax formats, this font indicates commands, keywords, and punctuation that you must enter exactly as shown.

In examples, this font represents user input.

In syntax formats, words or characters in this font represent values that you must supply. This font is also used for book titles and for emphasis.

This font indicates the first use of a new term.

A word in title font followed by a number in parentheses indicates an online reference page (man page). For example, cc(1) refers to the cc page in Section 1 of the online man pages.

Revision bars in the margin show where significant changes have been made to this manual since the last edition.