TY - BOOK AU - Hahn,Harley TI - Harley Hahn's guide to Unix and Linux SN - 9780073133614 (pbk.) U1 - 005.432 PY - 2009/// CY - Boston, MA PB - McGraw-Hill Higher Education KW - UNIX (Computer file) KW - Linux KW - Operating systems (Computers) N1 - Includes indexes ER -