Bolsky, Morris I. The kornshell : command and programming language / Morris I. Bolsky, David G. Korn. - Englewood Cliffs, N.J. : Prentice-Hall, 1989. - 356 p. : ill. ; 24 cm. Include index. ISBN: 0135169720 Subjects--Topical Terms: UNIX Shells (Computer programs).UNIX C Shell (Computer program).