Digital command language is a Command language or scripting language that tells the operating system to perform specific operations.

Delphi is a high-level, compiled, strongly typed language that supports structured and object-oriented design. Delphi language is based on Object Pascal.

DIBOL is a imperative programming language, which is well suited for Management Information Systems(MIS) software development.

DINO (DIstributed Numerically Oriented language) is a high level dynamic-typed scripting language.