Editing Wang Laboratories (section)

===Software===
The VS operating system and all system software were built from the ground up to support interactive users as well as batch operations. The VS was aimed at the business data processing market in general and IBM in particular. While many programming languages were available, the VS was programmed in [[COBOL]]. Other languages supported in the VS [[integrated development environment]] included [[Assembly language|Assembler]], COBOL 74, COBOL 85, BASIC, [[Ada (programming language)|Ada]], [[RPG II]], C, [[PL/I]], [[FORTRAN]], Glossary, MABASIC, SPEED II, and Procedure (a scripting language). [[Pascal (programming language)|Pascal]] was also supported for I/O co-processor development. The Wang PACE (Professional Application Creation Environment) [[4GL]] and database was used from the mid-1980s onward by customers and third-party developers to build complex applications, sometimes involving many thousands of screens, hundreds of distinct application modules, and serving many hundreds of users. Substantial [[vertical application]]s were developed for the Wang VS by third-party software houses throughout the 1980s in COBOL, PACE, BASIC, PL/I, and RPG II. The [[Wang OFFICE]] family of applications and Wang WP were both popular applications on the VS. Word Processing ran on the VS through services that emulated the OIS environment and downloaded the WP software as "microcode" (in Wang terminology) to VS workstations.