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Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. For example, simply pressing A will type the letter 'a', but holding down the Alt key while pressing A will cause the computer to perform an Alt+A function, which varies from program to program. The international standard ISO/IEC 9995-2 calls it Alternate key.
PC keyboards designed for non-English use included other methods of inserting these characters, such as national keyboard layouts, the AltGr key or dead keys, but the Alt key was the only method of inserting some characters, and the only method that was the same on all machines, so it remained very popular.
To use alt key codes for keyboard shortcut symbols you’ll need to have this enabled. If you’re using a laptop, your number pad is probably integrated to save space. No problem!
Alt+⇧ Shift+Tab ↹ or Alt+Tab ↹ / Alt+⇧ Shift+Tab ↹ to switch windows within the same application (Gnome) Hold Alt, then quickly press Tab ↹: Switch window without dialog (next/previous) Alt+Esc / ⇧ Shift+Alt+Esc. Only works within single Applications. ⌘ Cmd+` / ⌘ Cmd+⇧ Shift+` Task manager: Ctrl+⇧ Shift+Esc, Ctrl+Alt ...
Here are some Windows key commands and what they do: Windows key (Win): opens the Start menu on your computer. Windows button + Tab: switch your view from one open window to the next.
The World Wide Web Consortium (W3C) guidelines state that an image's alt attribute should convey meaning, rather than a literal description of the image itself. [2] For example, the alt attribute on an institution's logo should convey that it is the institution's logo instead of describing details of what the logo looks like.
For example, Alt+F4 in Microsoft Windows will close the program in an active window. In contrast, pressing just F4 will probably do nothing, unless assigned a specific function in a particular program. By themselves, modifier keys usually do nothing. The most widely used modifier keys include the Control key, Shift key and the Alt key.
Under Windows, the Alt key is pressed and held down while a decimal character code is entered on the numeric keypad; the Alt key is then released and the character appears. The numerical code corresponds to the character’s code point in the Windows 1252 code page, with a leading zero; for example, an en dash (–) is entered using Alt+0150 ...