quotacheck man page on 4.4BSD

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QUOTACHECK(8)		  BSD System Manager's Manual		 QUOTACHECK(8)

NAME
     quotacheck — filesystem quota consistency checker

SYNOPSIS
     quotacheck [-g] [-u] [-v] filesystem ...
     quotacheck [-g] [-u] [-v] -a

DESCRIPTION
     Quotacheck examines each filesystem, builds a table of current disk
     usage, and compares this table against that recorded in the disk quota
     file for the filesystem.  If any inconsistencies are detected, both the
     quota file and the current system copy of the incorrect quotas are
     updated (the latter only occurs if an active filesystem is checked).  By
     default both user and group quotas are checked.

     Available options:

     -a	     If the -a flag is supplied in place of any filesystem names,
	     quotacheck will check all the filesystems indicated in /etc/fstab
	     to be read-write with disk quotas.	 By default only the types of
	     quotas listed in /etc/fstab are checked.

     -g	     Only group quotas listed in /etc/fstab are to be checked.

     -u	     Only user quotas listed in /etc/fstab are to be checked.

     -v	     quotacheck reports discrepancies between the calculated and
	     recorded disk quotas.

     Specifying both -g and -u is equivalent to the default.  Parallel passes
     are run on the filesystems required, using the pass numbers in /etc/fstab
     in an identical fashion to fsck(8).

     Normally quotacheck operates silently.

     Quotacheck expects each filesystem to be checked to have a quota files
     named quota.user and quota.group which are located at the root of the
     associated file system.  These defaults may be overridden in /etc/fstab.
     If a file is not present, quotacheck will create it.

     Quotacheck is normally run at boot time from the /etc/rc.local file, see
     rc(8), before enabling disk quotas with quotaon(8).

     Quotacheck accesses the raw device in calculating the actual disk usage
     for each user.  Thus, the filesystems checked should be quiescent while
     quotacheck is running.

FILES
     quota.user	  at the filesystem root with user quotas
     quota.group  at the filesystem root with group quotas
     /etc/fstab	  default filesystems

SEE ALSO
     quota(1), quotactl(2), fstab(5), edquota(8), fsck(8), quotaon(8),
     repquota(8)

HISTORY
     The quotacheck command appeared in 4.2BSD.

4.2 Berkeley Distribution	 June 5, 1993	     4.2 Berkeley Distribution
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