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A QWERTY keyboard layout with the position of Control, Alt and Delete keys highlighted. Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del and sometimes called the "three-finger salute" or "Security Keys") [1] [2] is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl+Alt+Delete.
Ctrl+Alt+Print Screen: Save screenshot of window as file ⇧ Shift+⌘ Cmd+4 then Space then move mouse and click: Alt+Print Screen : Ctrl+Alt+Show Windows then move mouse and click Copy screenshot of window to clipboard Ctrl+⇧ Shift+⌘ Cmd+4 then Space then move mouse and click: Alt+Print Screen : Ctrl+Alt+Show Windows then move mouse and click
GINA is a replaceable dynamically linked library that is loaded early in the boot process in the context of Winlogon when the machine is started. It is responsible for handling the secure attention sequence , typically Control-Alt-Delete , and interacting with the user when this sequence is received.
Prior to Windows 10, Microsoft Windows did not implement virtual desktops natively in a user-accessible way. There are objects in the architecture of Windows known as "desktop objects" that are used to implement separate screens for logon and the secure desktop sequence (Ctrl+Alt+Delete).
UAC requesting the secure attention sequence on Windows 11, asking the user to press Ctrl+Alt+Delete first to enter credentials, to avoid login spoofing. Though it is not the default behavior for usability reasons, UAC may be configured to require the user to press Ctrl+Alt+Del (known as the secure attention sequence ) as part of the ...
The Alt key is well known as part of the key combinations: Ctrl+Alt+Delete may restart the computer (its original function); in some operating systems it brings up a task manager - see Control-Alt-Delete. Alt+⌘ Cmd+Esc (often referred to as ⌘ Cmd+⌥ Opt+Esc.) brings up the Force Quit window in Apple's macOS, see Option key.
These are: enable Control-Alt-Delete, disable Fast User Switching, and disable AutoLogon. January 2011 5.4.5 Mouse control improvement in Altair Hyperworks, Linux Audio Support for RHEL 4 and 5. Linux supported in a Virtual Machine. April 2010 5.4.0 Windows 7 support. Loss-less image codec. Smartcard reader support for Vista. September 2009 5.3.0
David J. Bradley (born 4 January 1949) is one of the twelve engineers who worked on the original IBM PC, developing the computer's ROM BIOS code. Bradley is credited for implementing the "Control-Alt-Delete" (Ctrl-Alt-Del) key combination that was used to reboot the computer.