Michael, Randal K. Mastering UNIX shell scripting : Bash, Bourne, and Korn shell scripting for programmers, system administrators, and UNIX gurus / Randal K. Michael. - 2nd ed. - Indianapolis : Wiley, c2008. - xxx, 1002 p. : ill. ; 24 cm. Includes index. ISBN: 9780470183014 (pbk.) 0470183012 (pbk.) Subjects--Uniform Titles: UNIX Shells.UNIX (Computer file) Dewey Class. No.: 005.432 / MIC