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In Unix and Linux, the shutdown command can be used to turn off or reboot a computer. Only the superuser or a user with special privileges can shut the system down. One commonly issued form of this command is shutdown -h now, which will shut down a system immediately. Another one is shutdown -r now to reboot.
IF is a conditional statement, that allows branching of the program execution. It evaluates the specified condition, and only if it is true, then it executes the remainder of the command line. Otherwise, it skips the remainder of the line and continues with next command line. Used in Batch files.
Their use is pervasive enough that some users consider them an important element of their routine interactions with a computer. Whether used as a matter of personal preference or for adaptive technology , the pervasiveness of common conventions means that a meaningful comparison of keyboard shortcuts can be made across various widely used ...
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.
In computing, booting is the process of starting a computer as initiated via hardware such as a physical button on the computer or by a software command. After it is switched on, a computer's central processing unit (CPU) has no software in its main memory , so some process must load software into memory before it can be executed.
Restarting your web browser or computer will clear our the internal cache or memory and will often fix most random computer problems. Reset your web settings Sometimes installing multiple browsers can result in your web settings getting changed.
With Windows 8.1 update, it includes a shortcut to shut down or restart the computer. ⊞ Win+Z or right click opens the command bar for Metro-style apps. This bar appears at the bottom of the screen and replaces both context menu and toolbar in Metro-style apps. ⊞ Win+Tab ↹ invokes the app switcher and changes between Metro-style apps.
1. Click Connection Settings. 2. Confirm the listed modem and location. 3. Click Next. 4. From the Dialing Options screen, check the box labeled, “I have to dial this number to turn off call waiting".