00558nam a2200229Ia 4500 OSt 20220621112331.0 210210b2004 xxu||||| |||| 00| 0 eng d 81 7808 731 6 AL eng 003 BACD BACH (Maurice J). 44134 Design of the UNIX operating system 4 Delhi Pearson Education 2004 xiv,471 Operating system 44135 Operating Systems 44136 059042 ddc BK 105960 105960 0 0 ddc 0 0 AL AL SSS 2021-02-17 School Book Company, Mangalore. 195.00 0 003 BACD 059043 2021-02-17 00:00:00 2021-02-17 BK 0 0 ddc 0 0 AL AL SSS 2021-02-17 School Book Company, Mangalore. 195.00 0 003 BACD 059042 2021-02-17 00:00:00 2021-02-17 BK