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Dennis MacAlistair Ritchie (September 9, 1941 – c. October 12, 2011) was an American computer scientist. [3] He created the C programming language and the Unix operating system and B language with long-time colleague Ken Thompson . [ 3 ]
The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the C programming language, as well as co-designed the Unix operating system with which development of the language was closely intertwined.
Dennis Ritchie (right), the inventor of the C programming language, with Ken Thompson. C is an imperative, procedural language in the ALGOL tradition. It has a static type system. In C, all executable code is contained within subroutines (also called "functions", though not in the sense of functional programming).
[17] In a 2011 interview, Thompson stated that the first versions of Unix were written by him, and that Ritchie began to advocate for the system and helped to develop it: [18] I did the first of two or three versions of UNIX all alone. And Dennis became an evangelist. Then there was a rewrite in a higher-level language that would come to be ...
C, an early systems programming language, was developed by Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973. Smalltalk (mid-1970s) provided a complete ground-up design of an object-oriented language. Prolog, designed in 1972 by Alain Colmerauer, Phillipe Roussel, and Robert Kowalski, was the first logic programming language.
In 1972, Dennis Ritchie developed the compiled programming language C as a replacement for the interpreted language B, which was then used in a worse is better rewrite of UNIX. Also, the language AWK was designed and implemented by Alfred Aho, Peter Weinberger, and Brian Kernighan of Bell Laboratories.
San Francisco Federal Reserve President Mary Daly speaks with reporters after a speech at the Commonwealth Club in San Franciso, California, U.S., March 26, 2019.
The C Programming Language, with C creator Dennis Ritchie, the first book on C; The Practice of Programming, with Rob Pike; The Unix Programming Environment, a tutorial book, with Rob Pike "Why Pascal is Not My Favorite Programming Language", a popular criticism of Niklaus Wirth's Pascal. Some parts of the criticism are obsolete due to ISO 7185 ...