Developed by the makers of ObjectScript, the .os file extension can be referred to files that are distinguished as developer files that contain executable script with a list of commands and functions written in an ObjectScript programming language.
ObjectScript is a general purpose object-oriented programming language which is a functional superset of the ANSI-standard MUMPS programming language. It can run ANSI MUMPS routines with no change. ObjectScript has a number of implemented support for object-oriented programming, macro preprocessing language, embedded SQL for ANSI-standard SQL access to M's built-in database, procedure and control blocks using C-like brace syntax, procedure-scoped variables, and relaxed whitespace syntax limitations.
OS files can be converted into a standalone ObjectScript application by bundling the files into a .JAR file. ObjectDevel is one of the few specialized programs that can open and run .os files. It has a version for windows as well as for Mac.
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