TY  - BOOK
AU  - Rosen, Kenneth Host, Douglas, A. Etal. 
TI  - Complete reference unix 
SN  - 0-07-463760-6 
U1  - 005.43 ROS  
PY  - 1999///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - Operating systems
ER  -