--

--, a string of two hyphen-minus characters, may approximate or refer to:


 * En dash (–)
 * Em dash (—), as a typewriter approximation
 * Sig dashes (--), the email and Usenet signature delimiter
 * For Unix commands, used as a prefix for command options. By itself, it typically means the end of command options.
 * The decrement operator in some programming languages
 * Inline comments in some programming languages