Other Implementations
There has been a sizable family of TUTOR-related languages, each similar to the original TUTOR language but with differences. In particular, TUTOR was a component of a system (the PLATO computer-based education system) that ran on particular CDC mainframe hardware. For efficiency, there were some hardware-specific elements in TUTOR (e.g. variables that were 60-bit words that could be used as arrays of 60 bits or as 10 six-bit characters, etc.). Also, TUTOR was designed before the advent of the windows-oriented graphical user interface (GUI).
The microTutor language was developed in the PLATO project at UIUC to permit portions of a lesson to run in terminals that contained microcomputers, with connections to TUTOR code running on the mainframe. The microTutor dialect was also the programming language of the Cluster system developed at UIUC and licensed to TDK in Japan; the Cluster system consisted of a small group of terminals attached to a minicomputer which provided storage and compilation. The Tencore Language Authoring System is a TUTOR derivative developed by Paul Tenczar for PCs and sold by Tencore. cT was a derivative of TUTOR and microTutor developed at Carnegie Mellon which allowed programs to run without change in windowed GUI environments on Windows, Mac, and Unix/Linux systems: The cT Programming Language Archives
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