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How to check the size of a directory in Linux

2018-08-30 ONE NET WIKI

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"du" stands for "Disk Usage".

"du" command is used to display the amount of disk space used by the specified files and for each subdirectory.

du [OPTION]... [FILE] [directory]...
du [OPTION]... --files0-from=F

1. See a brief help message

du --help

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2. Display the size in human readable format

du -h /path/do/dir

3. Use -k for kilobytes, -m for megabytes

du -k /path/do/dir
du -m /path/do/dir

4. Display the disk usage of all items including files and directories

// use -a option 
du -ah /path/do/dir

5. Check the total disk space used by a particular directory

// -s means summary
du -sh /path/do/dir

6. Display the grand total of directories

// -c option
du -csh /path/do/dir

7. Display the size of multiple directories at once

du -h directory1 directory2

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