TY  - BOOK
AU  - Forouzan,Behrouz A
AU  - Gilberg,Richard F.
TI  - UNIX and shell programming : : a textbook 
SN  - 9788131503256
U1  - 005.282  21
PY  - 2003///
CY  - Delhi
PB  - Cengage Learning India
KW  - OPERATING SYSTEM
N1  - It includes bibliographical referrences and index
ER  -