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file management (requires the operating system to, create and delete files…
file management
requires the operating system to
create and delete files
create and delete directories
support primitives for manipulating files and directories
map files onto secondary storage
backup files pn stable storage media
process management
requires the operating system to complete the following tasks
process creation and deletion
process suspension and resumption
process synehronization
security management
distinguish between authorized and unauthorized users
only alllow authorized users to access the files and resources
provide a means of enforcement
specify the controls to be imposed
memory management
keep track of which parts of memory are currently being used and who is using them
determine which processes to load when memory space becomes available
allocate and de allocate memory space when necessary
hardware management
monitor the status of each device
enforce polices to determine which process will get device time and how long for
allocate and de allocate hardware