In 1970, Ken Thompson, immersed in the development of UNIX at Bell Labs, created the B language.Īlthough it continued being an abstract and somewhat large language. It was a port of BCPL for a specific machine and system (DEC PDP-7 and UNIX), and was adapted to his particular taste and necessities. ![]() The final result was an even greater simplification of CPL, although dependent on the system. It had great limitations like it did not compile to executable code but threaded-code, which generates slower code in execution, and therefore was inadequate for the development of an operating system. ![]() Reason why from 1971, Denis Ritchie, from the Bell Labs team, began the development of a B compiler which, among other things, was able to generate executable code directly. This "New B", finally called C, introduced in addition, some other new concepts to the language like data types (char). ![]() In 1973, Denis Ritchie, had developed the bases of C. The inclusion of types, its handling, as well as the improvement of arrays and pointers, along with later demonstrated capacity of portability without becoming a high-level language, contributed to the expansion of the C language.
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