C

C is a programming language that was the primary language used in UNIX systems since the epoch.

Today, programmers use languages like C++, Rust and Go in addition to C. C still enjoys use on modern UNIX systems and in embedded settings.

C++

C++ is championed by Bjarne Stroustrup, who was another Bell Labs collaborator.

  • 1988: A Better C?
    • by Bjarne Stroustrup
    • for Byte Magazine

B

For completeness sake, there briefly existed a language called B which was later superseded by C. Here is some B literature: