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Unisys OS 2200 programming languages
OS 2200 has had several generations of compilers and linkers in its history supporting a wide variety of programming languages. In the first releases, the Exec II assembler (SLEUTH) and compilers were used. The assembler was quickly replaced with an updated version (ASM) designed specifically for the 1108 computer and Exec 8 but the early compilers continued in use for quite some time.
== Universal Compiling System ==
The modern compiling system for OS 2200 is known as UCS, Universal Compiling System. The UCS architecture uses a common syntax analyzer, separate semantic front ends for each language and a common back-end and optimizer. There is also a common language runtime environment. The UCS system was developed starting in 1969 and initially included PL/I and Pascal. FORTRAN and COBOL were soon added. Ada was added later. The currently supported languages include COBOL, FORTRAN, C, and PLUS. PLUS, Programming Language for Unisys (originally UNIVAC) Systems, is a block structured language somewhat similar to Pascal which it predates.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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