TY  - BOOK
AU  - Das,Sumitabha
TI  - Unix: concepts and applications
T2  - NA
SN  - 0-07-063546-3.
U1  - 005.432U 
PY  - 2006///,
CY  - New Delhi: 
PB  - TMGH. 
KW  - Unix-operating system
KW  - Operating System Unix
ER  -