operating system file management and concurrency.pptx -...

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OPERATING SYSTEM FILE AND CONCURRENCYFRANKLIN UGWUPOS/355BOB O’CONNOR10/10/2016
INTRODUCTIONOperating system file managementProperties of file File system File structurePhysical file systemThe sequential fileIndexed fileConcurrencyWhat is concurrencyPrinciples of concurrency in operating systemProblems of concurrencyConcurrency control in operating systemConcurrency runtimeReference
PROPERTIES OF FILELong-term existenceFiles are stored on disk and other storage and do not disappear when a user logs ofShareable between processesFiles are named and can have associated access permission that can allow controlled sharingStructureFiles can be organized into hierarchal or more complex structure to reflect the relationship among files
File systemIt provides a system to store data organized as file and a collection of functions that can be performed on a file and maintain a set of attributes

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