[Solved] What is the primary purpose of the dmesg command in Linux? — Ans: To display kernel messages and system events | Linux CLI

Linux CLI - System Administration

What is the primary purpose of the dmesg command in Linux?

ATo display kernel messages and system events

BTo list all running processes

CTo show disk usage statistics

DTo edit system configuration files

Step-by-Step Solution

Solution:

Step 1: Understand the role of dmesg
The dmesg command reads the kernel ring buffer, which contains messages about system events and hardware status.
Step 2: Compare with other options
Options A, B, and C relate to file editing, process listing, and disk usage, which are unrelated to kernel messages.
Final Answer:
To display kernel messages and system events -> Option A
Quick Check:
Kernel messages = display with dmesg [OK]

Quick Trick: dmesg always shows kernel logs, not processes or files [OK]

Common Mistakes:

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