If you run cat file.txt twice consecutively on a Linux system with enough free memory, what difference in execution time should you expect?

medium📝 Command Output Q4 of 15

Linux CLI - Viewing and Editing Files

If you run cat file.txt twice consecutively on a Linux system with enough free memory, what difference in execution time should you expect?

AThe second run will be faster due to file caching

BBoth runs will take the same time since disk access is constant

CThe first run is faster because the file is smaller initially

DThe second run will be slower due to increased CPU usage

Step-by-Step Solution

Solution:

Step 1: Analyze first run
The first cat reads the file from disk, which is slower.
Step 2: Analyze second run
The second cat reads from cached RAM, making it faster.
Final Answer:
The second run will be faster due to file caching -> Option A
Quick Check:
Disk vs RAM access speed difference [OK]

Quick Trick: Second read uses cache, so it's faster [OK]

Common Mistakes:

Master "Viewing and Editing Files" in Linux CLI

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Linux CLI Quizzes