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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 us-
     age, 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 read-write filesystems with an ex-
	     isting mount option file at its root.  The	mount option file
	     specifies the types of quotas that	are to be checked.

     -g	     Only group	quotas are checked. The	mount option file,
	     .quota.ops.group, must exist at the root of the filesystem.

     -u	     Only user quotas are checked.  The	mount option file,
	     .quota.ops.user, must exist at the	root of	the filesystem.

     -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, in an	identical fashion to fsck(8).

     Normally quotacheck operates silently.

     Quotacheck	expects	each filesystem	being checked to have quota data files
     named .quota.user and/or .quota.group located at the filesystem root.  If
     a binary data file	is not present,	quotacheck will	create it.  The	de-
     fault filename and	root location cannot be	overridden.

     Quotacheck	is normally run	at fsck	time.

     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
     Each of the following quota files is located at the root of the mounted
     filesystem.  The mount option files are empty files whose existence indi-
     cates that	quotas are to be enabled for that filesystem. The binary data
     files will	be created by quotacheck, if they don't	already	exist.

     .quota.user       data file containing user quotas
     .quota.group      data file containing group quotas
     .quota.ops.user   mount option file used to enable	user quotas
     .quota.ops.group  mount option file used to enable	group quotas

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

HISTORY
     The quotacheck command appeared in	4.2BSD.

4.2 Berkeley Distribution      October 17, 2002	     4.2 Berkeley Distribution

NAME | SYNOPSIS | DESCRIPTION | FILES | SEE ALSO | HISTORY

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