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A screensaver (or screen saver) is a computer program that blanks the display screen or fills it with moving images or patterns when the computer has been idle for a designated time. The original purpose of screensavers was to prevent phosphor burn-in on CRT or plasma computer monitors (hence the name). [ 1 ]
On Macintosh systems, XScreenSaver works with the built-in macOS screen saver. On iOS systems, XScreenSaver is a stand-alone app that can run any of the hacks full-screen. On Android systems, the XScreenSaver display modes work either as normal screen savers (which Android sometimes refers to as "Daydreams") or as live wallpapers .
Windows hold Alt+access key hold Alt+⇧ Shift+access key hold Alt+Control+⇧ Shift+access key [1] Chrome OS Linux hold Alt+⇧ Shift+access key hold Alt+access key: macOS hold Control+⌥ Option+access key: Firefox: Windows, Linux hold Alt+⇧ Shift+access key [2] macOS hold Control+⌥ Option+access key: Internet Explorer MS Edge Legacy: Windows
Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other. Other keyboard shortcuts require pressing and holding several keys simultaneously (indicated in the tables below by the + sign). Keyboard shortcuts may depend on the keyboard layout.
All 32-bit editions of Windows 10, including Home and Pro, support up to 4 GB. [291] 64-bit editions of Windows 10 Education and Pro support up to 2 TB, 64-bit editions of Windows 10 Pro for Workstations and Enterprise support up to 6 TB, while the 64-bit edition of Windows 10 Home is limited to 128 GB. [291]
Due to security concerns, the All Users screen saver can no longer be changed. (Replacing the screen saver was a common method of unauthorized privilege escalation in earlier versions of Windows.) Due to security concerns, system services can no longer natively interact with the user's desktop in Windows Vista.
After Dark is a series of computer screensaver software introduced by Berkeley Systems in 1989 for the Apple Macintosh, and in 1991 for Microsoft Windows. [3] [4]Following the original, additional editions included More After Dark, Before Dark, and editions themed around licensed properties such as Star Trek, The Simpsons, Looney Tunes, Marvel, and Disney characters.
In computing, a keyboard shortcut (also hotkey/hot key or key binding) [1] is a software-based assignment of an action to one or more keys on a computer keyboard. Most operating systems and applications come with a default set of keyboard shortcuts , some of which may be modified by the user in the settings .