Efficient development of high‐quality software requires a comprehensive set of software development tools. Tools used within the System 75 office communication system project support a hierarchical model of development, and range from compilers, assemblers, and debuggers to high‐level tools that drive the software manufacturing process and aid in monitoring software quality and performance. Tools are applied in each of the many steps required to develop, test, integrate, and maintain product releases. Staff roles and procedures for use of these tools encompass a set of development and release‐management cycles that begin with the individual developer and extend into the field support organization. The roles and procedures are flexible and easily customized to support various individual and group assignments. Specific tools to be described include the Object Generation System, the Local Administrative Tool Kit; the Oryx/Pecos Test, Inquiry, and Control System; tools for testing processes in isolation; manufacturing and distribution tools; performance‐measurement tools; source‐control and change‐management tools; and tools for program update and system analysis at field sites.

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