You want to automate a script that logs disk usage of /home daily in human-readable format, but only the total size. Which command is best?

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Linux CLI - Disk and Storage

You want to automate a script that logs disk usage of /home daily in human-readable format, but only the total size. Which command is best?

Adu -ah /home > /var/log/disk_usage.log

Bdu /home > /var/log/disk_usage.log

Cdu -c /home >> /var/log/disk_usage.log

Ddu -sh /home >> /var/log/disk_usage.log

Step-by-Step Solution

Solution:

Step 1: Identify requirements
Only total size, human-readable, append to log file daily.
Step 2: Match command
du -sh /home gives total size human-readable; >> appends output to log.
Final Answer:
du -sh /home >> /var/log/disk_usage.log -> Option D
Quick Check:
Total + human-readable + append = du -sh /home >> /var/log/disk_usage.log [OK]

Quick Trick: Use >> to append logs, not overwrite [OK]

Common Mistakes:

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