TY - BOOK AU - Simpson,Alan TI - Alan Simpson's DOS secrets unleashed SN - 0672302888 PY - 1993/// CY - Indianapolis PB - Howard W. Sams KW - MS-DOS (Computer file) KW - Operating systems (Computers) N1 - Book is accompanied by three diskettes bearing the same call number and available at Bahagian Pengurusan Maklumat; Includes index ER -