TY  - BOOK
AU  - Keller, Laurie S
TI  - Operating systems: : Communicating with and controlling the computer
SN  - 0-13-638032-8
PY  - 1988///
CY  - New York: 
PB  - Prentice Hall, 
KW  - Information technology
KW  - Multiprogramming systems
ER  -