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Modifier key present on Apple keyboards From Wikipedia, the free encyclopedia
The Option key, ⌥, is a modifier key present on Apple keyboards. It is located between the Control key and the Command key on a typical Mac keyboard. There are two Option keys on modern (as of 2020) Mac desktop and notebook keyboards, one on each side of the space bar. (As of 2005, some laptops had only one, in order to make room for the arrow keys.)
⌥ | |
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Option key | |
In Unicode | U+2325 ⌥ OPTION KEY |
Apple commonly uses the symbol U+2325 ⌥ OPTION KEY[1] to represent the Option key. From 1980 to 1984, on the Apple II series, this key was known as the closed apple key or the solid apple key,[2] and had a black line drawing of a filled-in apple on it.
Since the 1990s, "Alt" has sometimes appeared on the key as well, for use as an Alt key with non-Mac software, such as Unix and Windows programs; as of 2017, the newest Apple keyboards such as the Magic Keyboard no longer include the "Alt" label. The Option key in a Mac operating system functions differently from the Alt key under other Unix-like systems or Microsoft Windows. It is not used to access menus or hotkeys but is instead used as a modifier for other command codes, as well as to provide easier access to various accents and symbols. In this regard, it is akin to the AltGr key, found on some IBM-compatible PC keyboards.
The use of the Option key is similar to that of the AltGr key on European keyboards of IBM-compatible PCs, in the sense that it can be used to type additional characters, symbols and diacritical marks. The options available differ depending on the keyboard input locale that the user has selected. For example, in the U.S. English keyboard input, ⌥ Option+a produces the "å" character, and ⌥ Option+4 produces the cent sign "¢".
The Option key can also provide access to dead key functionality. For example, holding down ⌥ Option while pressing ` will create a highlighted grave accent which will be added to the next letter if possible – so if an e is then pressed, the resultant character is è. If an r is pressed instead, the two characters are not compatible so the result is `r.
The highlighted orange keys show the accents available from the combination of the ⌥ Option key and the keyboard characters e ` i n u. The accent then can be applied to associated letters both lower and uppercase. The additional characters a Mac will produce are a combination of both the ⌥ Option key and the ⇧ Shift key pressed down together. With this combination pressed the keyboard will now produce a different set or an uppercase version of the previous set in some cases.
Notice that holding the shift key as well as the option key while pressing a letter key may create "capital" versions of what results when the same letter key is pressed while the option key but not the shift key is held. For example:
The Option key is often used in conjunction with special keys like Tab ↹, delete, and return to provide alternate functions. For example, ⌥ Option+Return typically produces a line break that is not interpreted as a paragraph break.[citation needed]
The key is also used to provide for alternative menu items and buttons when pressed down. Examples:
The iPhoto example is an example of a control whose behavior is governed by a preference, which is temporarily inverted by holding down the Option key. The preference in this case is which way to rotate the image: If the user changes the default rotation direction in the Preferences to clockwise, holding down Option will make the button rotate counterclockwise instead, and vice versa. It is common for such controls — that is, those whose behavior is governed by a preference — to be invertible in this way
In text areas, the Option key can be used for quick keyboard navigation.
When keeping the Option key pressed when using the mouse, the mouse action can change behaviour
In browsers such as Safari and SeaMonkey, the option key can be used to download a file. Pressing down the option key when hitting return in the address bar causes the URL-specified file to be downloaded. Also, pressing the option key when clicking a hyperlink causes the link target to be downloaded. Besides the option key methods, other ways of downloading includes right-clicking (or ctrl (^) clicking, in Macs) a hyperlink to bring up a context menu, then selecting the appropriate download command, or pasting a URL directly into Safari's Downloads window.
Some applications make unique uses out of the option key: