TY  - GEN
AU  - Deitel, Harvey M.,           
TI  - An introduction to Operating systems
SN  - 0201509393
U1  - 005.43 
PY  - 1990///
CY  - Reading, MA
PB  - Addisopn-wesley pub.,1990
KW  - Operating systems (Computers)
N1  - distributed by : Al-Ahram; Includes bibliographical references (p. 1123-1137) and index; catalogued by; wessam
ER  -