TY  - BOOK
AU  - Gopalan, N P
AU  - Sivaselvan, B
TI  - A beginner's guide Unix
SN  - 9788120337862
U1  - 005.432 U GOP 
PY  - 2002///
CY  - New Delhi
PB  - PHI Learning
KW  - Operating systems (Computers)
ER  -