Yacc is available as a command (utility) on the ____________.
Yacc is available as a command (utility) on the UNIX. Yacc (Yet Another Compiler-Compiler) is a computer program for the UNIX operating system developed by Stephen C. Johnson. yacc is a compiler that generates a Look-Ahead, Left-to-right, Rightmost-derivation (LALR) parser.
UNIX:- UNIX is a family of multitasking, multiuser computer operating systems that derive from the original AT & T Unix, development starting in the 1970S at the Bell labs research center by Ken Thompson, Dennis Ritchie and others.