Dvorak Simplified Keyboard closed out. Apple also includes a Dvorak variant they call "Dvorak – Qwerty ⌘". With this layout, the keyboard temporarily becomes QWERTY when the Command (⌘/Apple) key is held down. By keeping familiar keyboard shortcuts like "close" or "copy" on the same keys as ordinary QWERTY, this lets some people use their well-practiced muscle memory and may make the transition easier. Mac OS and subsequently Mac OS X allow additional "on-the-fly" switching between layouts: a menu-bar icon (by default, a national flag that matches the current language, a 'DV' represents Dvorak and a 'DQ' represents Dvorak – Qwerty ⌘) brings
QWERTY version, but some features are identical to the United Kingdom version: The Vietnamese keyboard layout is an extended Latin QWERTY layout. The letters Ă, Â, Ê, and Ô are found on what would be the number keys – on the US English keyboard, with – producing the tonal marks (grave accent, hook, tilde, acute accent and dot below, in that order), producing Đ, producing the đồng sign (₫) when not shifted, and brackets () producing Ư and Ơ. EurKEY is a free and open source US-based layout which provides easy access to many diacritics of European languages as well as