High Quality Content by WIKIPEDIA articles! Valour is a copy/backup/restore program for IBM's VM environment. Valour, also called DiskWorks as well as strategic marketing brands chosen by vendors, grew out of a plan to rewrite the aging Westinghouse Disc Utility (WDU) and target the full range of IBM operating systems. Valour runs as a highly privileged CMS task, designed to accommodate any model disc drive or tape drive. The product incorporated a number of unique concepts and technologies. It was one of the earliest products to use a primitive form of windowing, including dialogue boxes capable of real-time updates.

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