TY - BOOK AU - Das,Sumitabha TI - UNIX: concepts and application SN - 0070635463 U1 - 005.43 21 PY - 2006///.[Reprinted 2009] CY - New Delhi PB - Tata McGraw-Hill KW - UNIX (Computer file) KW - Database management N1 - Includes bibliographical references and index ER -