00329nam a2200121Ia 4500008004100000020001500041041001200056100001500068245006100083260003900144300000800183650001600191221030s9999    xx            000 0 und d  a8177587706  aEnglish  aM. J. Bach 4aThe Design of the UNIX  Operating Systemscby M. J. Bach  bPearson EducationaNew Delhic2006  a481  aBB Computer