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Operating Systems | Mukusheva Saniya
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Compared with FCFS, the SCAN (elevator) disk algorithm typically:
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What is the main purpose of journaling in a file system like ext4 or NTFS?
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In hierarchical file systems, directories can contain files and other directories.
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OS-level virtualization (containers) mainly relies on which kernel features?
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Thrashing is characterized by very high CPU utilization and almost no paging.
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Which best describes protection rings (e.g., ring 0/ring 3)?
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Demand paging loads a page only when it is actually referenced.
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Preemptive schedulers may interrupt a running task to give the CPU to a higher-priority or waiting task.
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Copy-on-write shares physical pages until a write occurs, then creates a private copy.
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A mutex is typically owned by a single thread at a time and is released by the owner.
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