Keyboard layout based on the Wijesekara typewriter for Sinhala script. The Chinese National Standard on Tibetan Keyboard Layout standardises a layout for the Tibetan language in China. The first version of Microsoft Windows to support the Tibetan keyboard layout is MS Windows Vista. The layout has been available in Linux since September 2007. Mac OS-X introduced Tibetan Unicode support with OS-X version 10.5 and later, now with three different keyboard layouts available: Tibetan-Wylie, Tibetan QWERTY and Tibetan-Otani. The Bhutanese Standard for a Dzongkha keyboard layout standardizes the layout for typing Dzongkha, and other languages using the Tibetan script, in Bhutan. This standard
Magic SysRq key are means to forcibly unmount file systems, kill processes, recover keyboard state, and write unwritten data to disk. With respect to these tasks, this feature serves as a tool of last resort. The magic SysRq key cannot work under certain conditions, such as a kernel panic or a hardware failure preventing the kernel from running properly. The key combination consists of and another key, which controls the command issued. The combinations always assume the QWERTY keyboard layout; for example, on a Dvorak Simplified Keyboard, the combination to shut the system down uses the key instead of . Furthermore, some keyboards