TY  - BOOK
AU  - Deitel,Harvey M.
TI  - An introduction to operating systems
SN  - 0201180383
AV  - QA 73.3 
U1  - 005.43 22
PY  - 1990///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Operativsystem
KW  - sao
KW  - Operating systems (Computers)
KW  - Computer operating systems
KW  - UNIX
KW  - DOS
KW  - MS-DOS
KW  - MVS
KW  - VM
KW  - Macintosh
KW  - OS/2
KW  - OSI
ER  -