001: 15589
003: Starlibrary PMS 4.5
005: 20180430
020: ^a0-201-50939-3
066: ^ah..A
072: ^aasynchronous concurrent processes
082: ^a005.43
100: ^ah.m.deitel
240: ^aAn Introduction to operating system
245: ^aAn Introduction to operating system
260: ^c1990
650: ^ahardware
650: ^asoftware
650: ^afirmware
650: ^aprocess management