TY  - BOOK
AU  - Tomsho, Greg.
TI  - Guide to operating systems
SN  - 9780357433836
U1  - DC 005.432 T599 2021 
PY  - 2021///
CY  - United States of America
PB  - Cengage learning Inc.
KW  - Operating systems (Computers)
N1  - Includes glossary and index
ER  -