Multiple choice

In UNIX, cached disk blocks are managed by _____.

  1. kernel

  2. file system

  3. directory

  4. none of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In UNIX systems, the kernel is responsible for managing the buffer cache, which stores disk blocks in memory to improve I/O performance. The file system uses these cached blocks, but the management itself is a kernel-level function.