Linux administration

thumb|upright=2|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") is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: . The function of the key combination differs depending on the context but it generally interrupts or facilitates interrupting a function. For instance, in pre-boot environment (before an operating system starts) or in MS-DOS, Windows 3.0

KInfoCenter is a utility by KDE that provides information about the user's system.