Operating System

1.What are the major activities of an Operating System with regards to process Management?

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-Process creation and deletion.
-Process suspention and resumption.
-Process communication.
-deadluck handling.

2.What are the major activities of an operating system with regards to Memory Management?

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-The operating system manage the main memory.
-The operating system keep track the part of memory that being used.
-alocate and deallocate memory space.
-Keep track of which parts of memory are currently being used and by whom.
-Decide which processes to load when memory space becomes available - long term or medium term scheduler.


3.What are the major activities of an operating system with regards to Secondary Storage Management?

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-Storage allocation

Disk scheduling

minimize seeks (arm movement … very slow operation)

Disk as the media for mapping virtual memory space

Disk caching for performance

4.What are the major activities of an operating system with regards File Management?

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-File creation and deletion.
-Directory creation and deletion.
-Support of primitives for manipulating files and directories.
-Mapping files onto secondary storage.
-File backup on stable (nonvolatile) storage media.

5.What is the purpose of the command interpreter?

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-Protection
-I/O handling
-File system access
-Networking