TY  - BOOK
AU  - Tomsho, Greg,
TI  - Guide to operating systems
SN  - 978-981-48-4613-4
U1  - 005.43 T662 2019 
PY  - 2019///
CY  - Singapore
PB  - Cengage Learning Asia
KW  - Computer operating systems
N1  - Includes index
ER  -