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This article introduces the relevant knowledge of "what command does linux use to check the space occupied by a subdirectory under a directory?" in the actual case operation process, many people will encounter such a dilemma, and then let the editor lead you to learn how to deal with these situations! I hope you can read it carefully and be able to achieve something!

The purpose of this paper is to locate which directory takes up the most files when the disk space is full, so as to analyze the reasons for the lack of space.

1. Log in to the system host you need to view through ssh or telnet with xshell or other terminal software

2. Check the overall space consumption through df-hl (linux) or df-g (aix), and locate the directory with the most space.

3. Then enter this subdirectory and execute du-ks | sort-rn | more displays the space of the subdirectory from large to small according to space usage

Note:

Sometimes the lack of space may be caused by too large files, or it may be due to too many files. At this time, new files cannot be written. At this time, you need to use df-ih to check the occupation of the number of files.

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