00365nam a2200121Ia 4500008004100000082002100041100002000062245004600082250000900128260002900137300000600166650007100172150614s9999    xx            000 0 und d  a005.432 U  BAC-D  aMaurice J. Bach  aThe Design of the UNIX  Operating systems  aI ED  bPrentice Hall Inc.c1986  a0  aThe Design of the UNIX  Operating systems Maurice J. Bach,Computer