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Line 1: {{Short description\|data structure in DOS}} {{Use dmy dates\|date=May 2019\|cs1-dates=y}} {{Use list-defined references\|date=December 2021}} The '''Program Segment Prefix''' (PSP) is a data structure used in [[DOS]] systems to store the state of a [[computer program\|program]]. It resembles the [[Zero page (CP/M)\|Zero Page]] in the [[CP/M]] operating system. The PSP has the following structure:

Program Segment Prefix: Difference between revisions