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Full Discussion: ls command help, figures not matching up
Top Forums UNIX for Dummies Questions & Answers ls command help, figures not matching up Post 302088579 by jim mcnamara on Wednesday 13th of September 2006 10:12:43 AM
Old 09-13-2006
There are two possibilities I can think of offhand.
1. The filesystem for those has problems. see man fsck (or whatever utility anlyzes filesystems for you). Try this first.

2. Since ls returns something different from another "non-standard" utility and ls returns fewer files, consider that your system may have a rootkit installed. This behavior -underreporting files - is a common symptom of that. ls, quota, find, and other binaries - sometimes even kernel modules in Linux - are compromised so as to not show files. Or report the disk space they use.

I'm making guesses here - there is no way to know.

What OS do you have?
 

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LEARN ABOUT OPENDARWIN

quotacheck

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 read-write filesystems with an existing
	     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 default 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
     indicates 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
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