DIBOL

DIBOL or Digital's Business Oriented Language is a general-purpose, procedural, imperative programming language, designed for use in Management Information Systems (MIS) software development. It has a syntax similar to FORTRAN and BASIC, along with BCD arithmetic. It shares the COBOL program structure of data and procedure divisions.

DIBOL
Paradigmprocedural, imperative, structured
DeveloperDEC
First appeared1970
Stable release
DIBOL 1992 / 2002
Typing disciplinestatic
Major implementations
Synergex DBL, DEC VAX DIBOL, others
Influenced by
BASIC, Fortran, COBOL

History

DIBOL was originally marketed by Digital Equipment Corporation (DEC) in 1970.

The original version, DIBOL-8, was produced for PDP-8 systems running COS-300. The PDP-8-like DECmate II, supports the COS-310 Commercial Operating System, featuring DIBOL.[1]

DIBOL-11 was developed for the PDP-11 running COS-350 operating system. It also ran on RSX-11, RT-11, and from 1978 on RSTS/E. DIBOL-32 runs on VAX/VMS systems, although it can also be used on other systems through emulators.

ANSI Standards were released in 1983, 1988 and 1992 (ANSI X3.165-1992). The 1992 standard was revised in 2002.

DIBOL compilers were developed by several other companies, including DBL from DISC (later Synergex), Softbol from Omtool,[2] and Unibol from Software Ireland, Ltd.[3] Development of DIBOL effectively ceased after 1993, when an agreement between DEC and DISC replaced DIBOL with DBL on OpenVMS, OSF/1, and SCO Unix.[4][5]

An alternative

Rather than code either DIBOL or COBOL, an alternative was to use Business Controls Corporation's SB-5 package, which could generate COBOL code for the PDP-11, DECsystem-10/DECSYSTEM-20.[6] or VAX, including an option for COBOL inserts and overrides.

gollark: Ah, TJ09s...
gollark: Or use aeons, which are useful and arguably look cool!
gollark: I got all mine through the power of ***TRADING***! (and one from sunfish)
gollark: I wonder why the majority likes verdigris coppers so much.
gollark: https://forums.dragcave.net/topic/183217-dragon-subtype-poll/

See also

References
  1. "Introduction to DIBOL-83. Digital Equipment Corporation". April 1984.
  2. Enterprise, I. D. G. (1985-10-07). Computerworld. IDG Enterprise. p. 66.
  3. Babcock, Charles (1985-09-30). AT&T unwraps applications packages for 3B series. ComputerWorld. IDG Enterprise. p. 28.
  4. "DISC ANNOUNCES NEW DIBOL STRATEGY IN ASSOCIATION WITH DIGITAL". www.thefreelibrary.com. Retrieved 2016-04-12.
  5. "Area Software Firm Gets DEC Contract". The Sacramento Bee. February 18, 1993.
  6. "DECsystem-10 and -20 Mainframe Software from Business Controls Corp". Hardcopy. January 1983. p. 128.

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