TY  - BOOK
AU  - Das, Sumitabha
TI  - UNIX, concepts and applications
U1  - 005.43/DAS/U 
PY  - 2010///
CY  - New Delhi
PB  -  Tata McGraw-Hill
KW  - Operating systems (Computers)
KW  - UNIX (Computer file)
ER  -