TY  - BOOK
AU  - Kochan, Stephen, G, Wood, Patrick 
TI  - Unix: shell programming 
SN  - 81-297-0442-0 
U1  - 005.43 KOC  
PY  - 2005///
CY  - Pearson education asia 
PB  - Delhi 
KW  - Operating systems
ER  -