What is the shortcut key for ctrl+alt+delete?

[ctrl alt delete] is a shortcut key used to bring up a safe window or open the task manager, while the [Ctrl Alt Delete] shortcut key in early DOS systems is used to restart; in addition, in some Under settings, you need to press the [Ctrl Alt Delete] shortcut key to log in to the system.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

The specific introduction is as follows:

1. [Ctrl Alt Delete] is used to bring up the security window or open the task manager. In the early DOS system, [Ctrl Alt Delete] was used to restart;

2. In the era of Windows 98, [Ctrl Alt Delete] needed to be pressed twice to hot start;

3 , and after Windows 2000, [Ctrl Alt Delete] opens a security window for users to select "Logout, Lock" and "Task Manager" shortcuts; Once set, you need to press [Ctrl Alt Delete] to log in to the system.

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