TY  - BOOK
AU  - Vickery,Christopher
TI  - Unix shell programmer`s : interactive workbook / 
U1  - 005.432 
PY  - 1999/// rep 2001
CY  - New Delhi : 
PB  - Pearson Education Asia , 
KW  - OPERATING SYSTEMS(COMPUTERS)
N1  - NULL
ER  -