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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.


warnquota [options] [filesystem]

System administration command. Mail warning messages to users that have exceeded their soft limit.


-a file

Read group administrator information from file instead of /etc/quotagrpadmins.

-c file

Read configuration information from file instead of /etc/warnquota.conf.


Translate UIDs and GIDs individually. (Faster for database lookups.)


Send messages without attaching quota reports.

-F format

Read quota information of the specified format. (See quota for valid formats.)


Send messages for group quotas. Send the message to the user specified in /etc/quotagrpadmins.


Ignore automount mount points.

-q file

Read device description strings from file instead of /etc/quotagrpadmins.


Report sizes in more human-readable units.


Send messages for user quotas. (This is the default.)

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