Bourne shell (sh, Shellish). The original {command-line interpreter} {shell} and script language for {Unix} written by S.R. Bourne of {Bell Laboratories} in 1978. sh has been superseded for interactive use by the {Berkeley} {C shell}, {csh} but still widely used for writing {shell scripts}. There were even earlier shells, see {glob}. [Details?] {ash} is a Bourne Shell clone. ["Unix {Time-Sharing} System: The Unix Shell", S.R. Bourne, Bell Sys Tech J 57(6):1971-1990 (Jul 1978)].