In computing, an interface is a shared boundary across which two separate components of a computer system exchange information.
Booting is a start-up sequence that starts the operating system of a computer when it is turned on.
A file manager or file browser is a computer program that provides a user interface to manage files and folders.
A resource, or system resource, is any physical or virtual component of limited availability within a computer system. Every device connected to a computer system is a resource. Every internal system component is a resource.
In computer programming, a task is a basic unit of programming that an operating system controls. Depending on how the operating system defines a task in its design, this unit of programming may be an entire program or each successive invocation of a program.