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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.


mdu [option] dir

Display disk usage, in clusters, for a directory and its subdirectories and files on an MS-DOS filesystem. See du and mtools for more information, and see minfo for the cluster size. Only one of -a or -s can be specified.



Show the space used by individual files in a directory as well as the total space.


Show only the total space used.

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