TY  - BOOK
AU  - Riechard,Kevin Jonson.Eric 
TI  - Teach yourself unix 
SN  - 81-7029-6617-x 
U1  - 005.43 REI  
PY  - 1995///
CY  - BPB publication 
PB  - New Delhi 
KW  - Operating systems
ER  -