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Reboot is the process of closing and starting a computer or its operating system from the initial boot loading sequence. This process reloads the operating system files and is used to fix many common computer problems, such as slow processing or freezing.
Reboot is also known as restart.
Reboot is a standard feature found in most operating systems. It may be performed for a number of reasons, such as after installation of a new program, to reload a slow performing computer and/or after a system freeze. To reboot, users can press CTRL+ALT+DEL together in most Windows operating systems or select the restart option from the start menu. Generally, a system rebooted on a running system takes less time than a system that is started from shutdown or closed mode.