TY - BOOK AU - Hahn,Harley TI - A student's guide to UNIX SN - 0071133402 (pbk.) AV - QA76.76.O63 H34 1993 U1 - 005.43 20 PY - 1993/// CY - New York, London PB - McGraw-Hill KW - Operating systems (Computers) KW - Operating systems ER -