TY  - BOOK
AU  - Ashley, Ruth.
AU  - Fernandez, Judi N.
TI  - Teach yourself unix: includes languages and power tools 
U1  - 005.43  1
PY  - 1990///
CY  - New Delhi
PB  - BPB Publications
KW  - Text formatting with staff
KW  - Using expressions and patterns
ER  -