TY  - BOOK
AU  - DAS, Sumitabha
AU  - 
TI  - Unix: Concepts and applications
SN  - 0074630903
U1  - 005.43U 
PY  - 1998///
CY  - DELHI
PB  - TATA MCGRAW-HILL
KW  - OPERATING SYSTEMS - UNIX
ER  -