00493pamaa2200181 4500 0000027805 20100107090000.0 0136816851 005.43 GLA QA76.76.O63 GLA 1999 GLASS UNIX for programmers and users Graham Glass and King Ables. 2nd ed. New Jersey: Prentice Hall, 1999. xviii, 622p.; 24cm. Operating systems UNIX (Computer file) ABLES, King