TY  - BOOK
AU  - Deitel, Harvey M.
TI  - An Introduction to Operating Systems 
SN  - 0201160363
U1  - 005.43 
PY  - 1990///
CY  - California : 
PB  - Addison-Wesley, 
KW  - Operating Systems Computers
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-201-16036-3.pdf
ER  -