Linux CLI - System Administration
You run
free -m but the output shows zero values for used and free memory. What is the most likely cause?You run free -m but the output shows zero values for used and free memory. What is the most likely cause?
medium📝 Troubleshoot Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze zero memory output
Zero values usually mean the command cannot access memory info, often in restricted environments like containers.Step 2: Check other options
Syntax is correct, system without memory is impossible, and free command missing would cause error, not zero output.Final Answer:
The command was run inside a restricted container without memory info -> Option BQuick Check:
Zero memory output = restricted environment [OK]
Quick Trick: Zero memory output often means restricted container [OK]
Common Mistakes:
- Assuming syntax error
- Thinking system has no memory
- Assuming command missing
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