There are a few ways to close a computer, depending on the operating system you are using.

Windows

To close a Windows computer, you can use the Shut Down option from the Start menu, or you can use the Ctrl+Alt+Delete keyboard shortcut to open the Task Manager. From the Task Manager, you can select the Shut Down option.

Mac

To close a Mac computer, you can use the Quit option from the Apple menu, or you can use the Force Quit option from the Force Quit menu.

Linux

To close a Linux computer, you can use the shutdown command from …