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The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes, or to reboot a computer without corrupting the filesystem. [1]
Open new program window of pinned program in Quick Launch ⊞ Win+(#) where "#" is the position of the program on the Quick Launch toolbar (Windows Vista, 7+) ⌘ Cmd+A+⇧ Shift: Alt+(#) where "#" is the position of the program on the Shelf Open new program window of the pinned program on the taskbar (if program is already opened)
A 104-key PC US English keyboard layout with System request circled. System Request (SysRq or Sys Req) is a key on personal computer keyboards that has no standard use. Introduced by IBM with the PC/AT, it was intended to be available as a special key to directly invoke low-level operating system functions with no possibility of conflicting with any existing software.
On Wikipedia, access keys allow you to do a lot more—protect a page, show page history, publish your changes, show preview text, and so on. See the next section for the full list. Most web browsers require holding down one or two modifier keys to use an access key.
Keyboard shortcut Action; control + n: Opens a new browser page. control + t: Opens a new tab in the browser. f5: Reloads the webpage that is currently open. alt + home: Opens your homepage. control + l: Focuses the URL field on the toolbar. escape: Stops a webpage from being loaded. control + shift + f4: Closes the browser tab that is being used.
Break/Pause key on PC keyboard. The Break key (or the symbol ⎉) of a computer keyboard refers to breaking a telegraph circuit and originated with 19th century practice. In modern usage, the key has no well-defined purpose, but while this is the case, it can be used by software for miscellaneous tasks, such as to switch between multiple login sessions, to terminate a program, or to interrupt ...
Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt. General keyboard shortcuts
Multiprogramming is a computing technique that enables multiple programs to be concurrently loaded and executed into a computer's memory, allowing the CPU to switch between them swiftly. This optimizes CPU utilization by keeping it engaged with the execution of tasks, particularly useful when one program is waiting for I/O operations to complete.