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Linux QA 103

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1
What does TLB cache hold?

TLB cache holds a copy of parts of the page table, where the CPU looks up the physical address that a virtual address is at a given program.

1
What is the difference between block cache and buffer

Block cache/copy on disk are sectors that are kept in memory after being read while sectors that are waiting to be written back are buffers.

1
Name the command which allows you to find extended attributes of a file?

getfattr

1
What is the functionality of irqbalance?

irqbalance distributes interrupt handling between all CPUs.

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