XK0-006 System Management Practice Question
Which command would a Linux administrator use to locate all files in the /var/log directory that have been modified within the last 7 days?
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
✓
find /var/log -mtime -7
The find command with -mtime -7 finds files modified less than 7 days ago. The other options are either incorrect or not suitable for this task.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ls -lt /var/log | head -n 7
Why it's wrong here
ls -lt lists files sorted by modification time, but does not filter by age; head -n 7 shows only the 7 most recent files, not necessarily within 7 days.
- ✗
grep -mtime -7 /var/log
Why it's wrong here
grep does not have a -mtime option; it searches for patterns in files.
- ✗
locate -mtime -7 /var/log
Why it's wrong here
locate does not support -mtime; it uses an updatedb database.
- ✓
find /var/log -mtime -7
Why this is correct
Correct. find -mtime -7 finds files modified within the last 7 days.
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Written by Johnson Ajibi, MSc IT Security
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