Foster-Johnson, Eric. Beginning shell scripting / Eric Foster-Johnson, John C. Welch, and Micah Anderson. - Indianapolis, IN : Wiley Pub., 2005. - xviii, 510 p. : ill. ; 23 cm. - Programmer to programmer . Includes index. ISBN: 0764583204 (pbk.) Subjects--Topical Terms: Operating systems (Computers) Dewey Class. No.: 005.43 / FOS