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Topics referred to by the same term From Wikipedia, the free encyclopedia
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--, 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-like operating system commands, used as a prefix for long options. By itself, it typically means the end of command options.
 - The decrement operator in some programming languages
 - Inline comments in some programming languages
 
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See also
Look up -- in Wiktionary, the free dictionary.
- Double hyphen (one above the other)
 - HTML comment tag, 
<!--and--> - Horizontal rule, which is represented by 
----in MediaWiki markup 
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