{{ safesubst:#invoke:Unsubst||$N=Use mdy dates |date=__DATE__ |$B= }} The Command key (), also historically known as the Apple key, clover key,<ref name=OtherNames>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> open-Apple key, pretzel key,<ref name=OtherNames /> propeller key,<ref name=OtherNames /> squiggly button, the quad button {{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= {{#invoke:Category handler|main}}{{#invoke:Category handler|main}}[citation needed] }}, or meta key, is a modifier key present on Apple keyboards. The Command key's purpose is to allow the user to enter keyboard commands in applications and in the system. An "extended" Macintosh keyboard — the most common type — has two command keys, one on each side of the space bar; some compact keyboards have one only on the left.

The "⌘" symbol (the "looped square") was chosen by Susan Kare after Steve Jobs decided that the use of the Apple logo in the menu system (where the keyboard shortcuts are displayed) would be an over-use of the logo. Apple's adaptation of the symbol — encoded in Unicode (and HTML) at Expression error: Unrecognized punctuation character "{". — was derived in part from its use in Scandinavian countries to denote places of interest. The symbol is known by various other names, including "Saint John's Arms" and "Bowen knot".

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