Following bibliometric footprints: the ACM digital library and the evolution of computer science
Proceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries
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Results are reported showing the changing pattern of command use by introductory business data processing students. Using the ability of the University of Calgary's Honeywell Multics Operating System to tailor a command and response environment, a subset of commands and responses (called GENIE) was set up in a user-friendly environment to facilitate novice students programming at CRT terminals. Frequency and time of usage of all commands was metered and changing patterns of usage emerged as the semester progressed. For example, "help" usage -- which was originally quite extensive and broad -- limited itself over time to questions only about specific topics. Reluctance to use an "audit" facility to capture an interactive session disappeared as the commands for such usage were likened to a movie camera taking pictures over a student's shoulder. It is further noted that specific emphasis was placed on simplifying commands and reducing options.The whole idea of a restricted command environment is compared to the "abstract machine" concept of Hopper, Kugler, and Unger who are building a universal command and response language (NICOLA, a NIce Standard COmmand LAnguage). GENIE is seen as an example of what such an abstract machine could be if the Multics operating system were viewed as a basic or "parent" abstract machine. Interactive environments such as Multics provides are viewed as essential to providing a satisfactory timesharing system for the various, but frequently intermittent uses, in the social sciences.