000 00302nam a22001337a 4500
008 181204b xxu||||| |||| 00| 0 eng d
020 _a9780534950934
041 _aeng
080 _a004
100 _a30
101 _aSHK
245 _aUnderstanding Operating Systems
_cFlynn.I.M
942 _2udc
_cBK
999 _c52806
_d52806