LPIC-1 Devices, Filesystems and FHS Practice Question
Which TWO of the following are true about the /proc filesystem?
⚠ Common exam trap
Many exam-takers confuse /proc with a real filesystem stored on disk, leading them to select Option A, or they mistake its runtime nature for persistent storage (Option D), when in fact /proc is a volatile kernel interface that is mounted automatically at boot (Option E).
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It is a pseudo-filesystem that contains runtime system information.
The /proc filesystem is a pseudo-filesystem that does not exist on disk; it is created by the kernel at runtime to expose system and process information (e.g., /proc/cpuinfo, /proc/meminfo). It provides a mechanism for user-space programs to query kernel data structures without making system calls directly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It is formatted with the ext4 filesystem.
Why it's wrong here
It is a virtual filesystem.
- ✗
It is a network filesystem.
Why it's wrong here
It's local.
- ✓
It is a pseudo-filesystem that contains runtime system information.
Why this is correct
Correct: /proc is virtual.
- ✗
It is used to store persistent configuration data.
Why it's wrong here
Persistent config is in /etc.
- ✓
It is typically mounted at boot time.
Why this is correct
Correct: mounted automatically.
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Written by Johnson Ajibi, MSc IT Security
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