TY  - BOOK
ED  - 3G E-Learning
TI  - Operating systems
SN  - 9781984638489
U1  - 005.43  
PY  - 2020///
CY  - New York
PB  - 3G E-Learning, 
KW  - Operating systems (Computers)
N1  - Includes references and index
ER  -