1. A signal-bearing medium tangibly embodying a program of machine-readable instructions executable by a digital processing apparatus of a computer to perform operations for managing a computer system on an activity basis, the operations comprising: associating computer-system-related items with at least one activity to be performed using the computer system; establishing management procedures for use in managing the computer-system-related items associated with the at least one activity; and managing the computer-system-related items in accordance with the established management procedures during performance of the at least one activity.