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du - 파일 공간 사용량 확인

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Summarize disk usage of the set of FILEs, recursively for directories.

경로

/usr/bin/du

주요 옵션

-a, --all             write counts for all files, not just directories
-h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)
-d, --max-depth=N     print the total for a directory (or file, with --all)