His Lucent page. Central Unix figure, co-creator of Unix, with Ken Thompson; co-inventor of C programming language, with Brian Kernighan. Unix and C history and references.
1979 conference paper by Dennis Ritchie. "Concentrates on the evolution of the file system, the process-control mechanism, and the idea of pipelined commands. Some attention is paid to social conditions during the development of the system."
By Brian Kernighan, Christopher Van Wyk. Compares how fast C, Awk, Perl, Tcl, Java, Visual Basic, Limbo, Scheme, run a range of representative tasks. Text, tables, graphs, code samples.