TY  - BOOK
AU  - Shay,William A.
TI  - Introduction to operating systems
SN  - 0673381226
AV  - QA76.76.O63 S5525 1992
U1  - 005.43 20
PY  - 1993///
CY  - Glenview, IL
PB  - HarperCollinsCollege
KW  - Operating systems (Computers)
N1  - Includes bibliographical references and index
ER  -