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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.

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quota [options] [user|group]

Display disk usage and total space allowed for a designated user or group. With no argument, the quota for the current user is displayed. Most users can display only their own quota information, but the superuser can display information for any user. This command reports quotas for all filesystems listed in /etc/mtab. For NFS-mounted filesystems, quota calls rpc.rquotad on the server machine for the information.


-F format

Show quota for the specified format. If not specified, autodetects the format.


Given with a user argument, display the quotas for the groups of which the user is a member, instead of the user's quotas. With no argument, shows group quotas for the current user.


Igonore mountpoints that are mounted by the automounter.


Only report quotas on local filesystems.


Display information only for filesystems in which the user is over quota.


For NFS-mounted filesystems. do not print an error message if the connection to rpc.rquotad is refused (usually because it is not running on the server).


Try to choose units for displaying limits, space used, and inodes used.


The default behavior. When used with -g, display both user and group quota information.


Display quotas for filesystems even if no storage is currently allocated.



Quota over NFS.


Version 1 quota.


Version 2 quota.


Quota on XFS filesystem.

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