101. EDM/2 - A Discussion Of Oberon Into the Realm of oberon An Introduction to programming and the oberon2 programmingLanguage, (Buy) Eric Nikitin, Springer Verlag, January 1998, ISBN http://www.edm2.com/0608/oberon.html

A Discussion of Oberon Written by Paul Floyd Introduction My first experience with Oberon came after reading an article by Dick Pountain (who I admire greatly for his wonderful technical articles) in Byte about 8 years ago. I promptly FTPed a copy, and was awe-struck that a multitasking, GUI operating system and Object Oriented compiler could fit on and execute from a 3.5" floppy. The operating system offers all the expected basics - memory management, disk handling etc. It also performs co-operative multitasking, and windowing (in V4 the windows cannot be overlapped). One of the more peculiar aspects of the interface is that there it uses neither a command line nor an icon based metaphor. Rather, there are just a set of non-overlapping (tiled) windows in which you can type text. The windows all have enhanced text editing abilities, so you can choose font, colour etc. Applications are executed by clicking on the text name with the middle mouse button. Oberon makes extensive use of all three mouse buttons (called interclicking). If you have a 2-button mouse, there are alternatives which allow the use of the keyboard "Control" key. Each application has one or more interface functions, all of which are entry points for that application - there is no 'main' function in the Oberon environment. As an example, consider 'Edit'. You would normally have an 'Edit Tool', which would be a text file containing the interface functions of the Edit application. When you view the Edit tool, you can click on entry points like 'Edit.Open'. This would call the Open procedure. You would also have functions like Save, Search etc. When executed, modules are dynamically linked to the kernel.

102. The Oberon And Amiga Page oberon is both a programming language and an operating system developed by Prof. Afundamental introduction in programming using the language oberon. http://home.t-online.de/home/04065683848-0001/oa-e.html

The Oberon and Amiga Page by Ralf Degner - Diese Seite in Deutsch What is Oberon? Oberon System V4 Amiga-Oberon Oberon-A ... Links What is Oberon The programming language Oberon is an evolution of the well known predecessors Pascal and Modula-2. Oberon features the established principles of separate compilation with strong type checking even across module boundaries. The module concept provides for information hiding. In contrast to Modula-2, the definition modules are not explicit, but generated automatically by a Browser tool. The browser operates on the compiler respresentation of the module interface. Oberon provides static record type extensions (single inheritance), polymorphy and run-time type information for extensible, object-oriented programming (EOOP). The upward compatible programming language Oberon-2 adds type bound procedures (methods), read-only export and dynamic arrays. Oberon was designed for programming in-the-large and served well to develop several operating systems (Oberon System itself, ETHOS, Mithril, Oberon/F), compilers and tools. Although much simpler than its predecessors, Oberon is safer (in respect to pointers) and much more flexible than Pascal and Modula. The programming language Oberon in keywords: Strong type checking Modules with type checked interfaces and separate compilation Type extension, which provides for object-oriented programming

103. The Programming Language Oberon The programming language oberon. Source, Software—Practice Experiencearchive Volume 18 , Issue 7 (July 1988) table of contents. http://portal.acm.org/citation.cfm?id=52192&dl=ACM&coll=portal&CFID=11111111&CFT

104. Programming In Oberon programming in oberon steps beyond Pascal and Modula. http://portal.acm.org/citation.cfm?id=134408&dl=ACM&coll=portal&CFID=11111111&CF

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