Practice Quiz

LPI Certification / CompTIA Linux+ Practice Test

Category - LINUX

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Which of the following directories contains information about how IRQ channels have been assigned in the system?
  1. /proc/devices
  2. /proc/dma
  3. /proc/interrupt
  4. /proc/iomem
Explanation
Answer - C - The /proc/interrupt directory contains information about how IRQ channels have been assigned in the system.

Key Takeaway: The /proc directory doesn’t actually exist in the file system. It is a pseudo file system that is dynamically created whenever it is accessed. Some of the other files in this directory include cpuinfo, devices, dma, interrupts, iomem, and modules.
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