68N01 General
68N15 Programming languages
68N17 Logic programming 
68N18 Functional programming and lambda calculus [See also 03B40] 
68N19 Other programming techniques (object-oriented, sequential, concurrent, automatic, etc.) 
68N20 Compilers and interpreters 
68N25 Operating systems 
68N30 Mathematical aspects of software engineering (specification, verification, metrics, requirements, etc.)
68N99 None of the above, but in this section