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Describes the user program and data storage system of JOSS, Rand's personal, on-line, time-shared computing service, in order to provide maintenance personnel with program documentation for the correction or modification of file-handling routines. The JOSS filing system provides the user with a service that will save him from retyping frequently used programs and/or data. It will also supply a limited program-chaining capability. Since this type of service implies low user demand for file action in terms of total session time, there is little concern with the time to service such demands. On the other hand, the amount of primary storage occupied by the file-service routines and associated core buffers is of considerable concern.

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