TY  - BOOK
AU  - Preta, Stephen 
TI  - Adavanced unix: :A Programmer's guide 
SN  - 8170291070
U1  - 005.4PRA 
PY  - 1986///
CY  - New Delhi
PB  - :BPB Publication 
KW  - Computer Science
KW  - Lanaguege
KW  - Bourne Shell
KW  - Stephen Prata
KW  - and Adanced unix- a progammer's guide
ER  -