Abstract

This paper presents the KRTM kernel which has been designed in order to facilitiate real-time multiprogramming during the development of TELEX-M, a dedicated operating system for telex exchanges. KRTM creates a run-time environment supporting execution of all the operating system programs. Although the KRTM characteristics have been derived from the very concrete real life problem (to design and implement a reliable operating system capable to provide a satisfactory service for 512 telex abonents and trunks to other switching systems), the resulting product seems to be more general, covering a wider class of strongly multiprogramed, real-time minicomputer systems with high reliability and modularity requirements. The KRTM itself has been designed with the requirement for modifiability in mind, and therefore it is easy to obtain new versions of the kernel, adapted to a particular application.

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