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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.


mlabel [options] drive[label]

Label an MS-DOS filesystem (maximum of 11 characters), first displaying the current label if there is one. See mtools for more information. If no label is specified, prompt the user for one.



Overwrite any existing labels.


Show the existing label.


Create a random serial number for the disk.

-N serialno

Choose a new serial number for the disk. It should be an eight-digit hexadecimal number with no spaces in it.

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