TY  - BOOK
AU  - Andrew John Theodore Colin
TI  - Introduction to Operating Systems
SN  - 0444195890
AV  - TK7887.5 .C62
U1  - 001.6/425 
PY  - 1971///
CY  - UK, New York
PB  - Macdonald, American Elsevier Inc.
KW  - English
KW  - Computer input-output equipment
KW  - Operating systems (Computers)
KW  - Applied Sciences العلوم التطبيقية
ER  -