kojiro 1184771517 learn hash is a builtin for managing bash's hashtables, with which bash determines what commands call what programs. See 'help hash' at you nearest bash shell for more info. No, bash does not support associative arrays, but awk does. greycat 1257800971 forget greycat 1257801026 learn hash is a builtin for managing bash's hashtables, with which bash determines what commands call what programs. See 'help hash' at your nearest bash prompt for more info. If you mean perl's hashes, bash 4.0 and later support associative arrays. No earlier bash version supports them.