TY - BOOK AU - DAS AU - SUMITABHA TI - UNIX CONCEPT AND APPLICATIONS: SCO UNIX LINUX SN - 0704630903 U1 - 3.7 PY - 2002/// CY - NEW DELHI PB - TATA MCGRAW-HILL KW - GETTING STARTED KW - THE SHELL KW - THE VI EDITOR ER -