Computer Science › Section D · Operating systems › Topic D.3
The memory manager and the file manager
Two kernel components look after the computer's storage. The memory manager shares out main memory among running programs, and the file manager organises mass storage into files and folders that people and programs can find and protect.
In this topic
- Two kinds of storage, two managers
- The memory manager's duties
- Virtual memory and paging
- Worked example: translating an address
- Page faults and thrashing
- The file manager
- Opening a file, and file system formats
- Permissions
- Worked example: reading a permission string
- Virtual machines and containers
- Common mistakes to avoid
- Key takeaways
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