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Now LINC is known as Unisys Enterprise Application Environment (EAE) and can generate COBOL code for Burroughs & Sperry mainframes, Microsoft Windows, and various Unix and Linux platforms. It will also generate GUI front-end clients in Java; Visual Basic 6 clients; Active Server Pages; Web services for Microsoft IIS; ASP.NET; VB.NET
FORTRAN and COBOL were soon added. Ada was added later. The currently supported languages include COBOL, [2] FORTRAN, [3] C, [4] and PLUS. [5] PLUS, Programming Language for Unisys (originally UNIVAC) Systems, is a block structured language somewhat similar to Pascal which it predates. [6]
OS 2200 is the operating system for the Unisys ClearPath Dorado family of mainframe systems. The operating system kernel of OS 2200 is a lineal descendant of Exec 8 for the UNIVAC 1108 and was previously known as OS 1100.
A program may have hundreds of threads, but cannot spawn other programs to run concurrently. [citation needed] There are several banks at the Program level that contain a mixture of Run (job, session) information and program information. These are control structures for the operating system. They have no access or read-only access for the program.
This stub has entry points to handle a variety of programming languages, e.g., calling CBLTDLI from a COBOL program. This stub is linked to the calling program, passes on the request to the IMS system, and returns the results and a status code. In any full-function IMS database, the smallest element that can be retrieved is a segment.
COBOL-74 added subprograms, giving programmers the ability to control the data each part of the program could access. COBOL-85 then added nested subprograms, allowing programmers to hide subprograms. [172] Further control over data and code came in 2002 when object-oriented programming, user-defined functions and user-defined data types were ...
USAS was mainly developed for use by airlines. Check-in, reservations, and cargo operations are therefore among its main components.The original USAS applications such as USAS*RES (Reservation System), USAS*CGO (Cargo Application) were written in the early 70s and have been adapted in different forms in varying degrees of customization.
At the height of COBOL usage in the 1960s through 1980s, the IBM COBOL product was the most important of any industry COBOL compilers. In his popular textbook A Simplified Guide to Structured COBOL Programming , Daniel D. McCracken tries to make the treatment general for any machine and compiler, but when he gives details for a particular one ...