单选题：What statement about the du- command is true?
What statement about the du- command is true?@[D](1)
A. Dump User - backups all files owned by the named user.
B. DOS Utility - provides different features to handle DOS-filesystems.
C. Dir User - shows the directorys owned by the named user.
D. Disk Usage - shows the amount of diskspace used by the named directories.
A.Dump User - backups all files owned by the named user.
B.DOS Utility - provides different features to handle DOS-filesystems.
C.Dir User - shows the directorys owned by the named user.
D.Disk Usage - shows the amount of diskspace used by the named directories.
答案：D
A. Dump User - backups all files owned by the named user.
B. DOS Utility - provides different features to handle DOS-filesystems.
C. Dir User - shows the directorys owned by the named user.
D. Disk Usage - shows the amount of diskspace used by the named directories.
A.Dump User - backups all files owned by the named user.
B.DOS Utility - provides different features to handle DOS-filesystems.
C.Dir User - shows the directorys owned by the named user.
D.Disk Usage - shows the amount of diskspace used by the named directories.
答案：D