TY  - BOOK
AU  - Pal Choudhury,Pabitra
TI  - Operating systems : principles and design / 
SN  - 9788120338111
U1  - 005.43 
PY  - 2011///
CY  - New Delhi : 
PB  - PHI Learning , 
KW  - OPERATING SYSTEMS
N1  - includes bibliographical references and index
ER  -