TY  - BOOK
AU  - Das, Sumitabha
TI  - UNIX : : concepts and applications 
SN  - 9780070635463
U1  - 005.13 DAS 
PY  - 2006///
CY  - New Delhi : 
PB  - Tata McGraw-Hill, 
N1  - "Includes systems programming et Linux"--Cover.
32nd reprint 2018
ER  -