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.\" Copyright (C) 1994 Wolfgang Solfrank.
.\" Copyright (C) 1994 TooLs GmbH.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by TooLs GmbH.
.\" 4. The name of TooLs GmbH may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
.\" PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
.\" OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
.\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd November 13, 2025
.Dt QUOT 8
.Os
.Sh NAME
.Nm quot
.Nd display disk space occupied by each user
.Sh SYNOPSIS
.Nm
.Op Fl cfknv
.Op Fl a | Ar filesystem ...
.Sh DESCRIPTION
The
.Nm
utility
is used to gather per-user disk usage statistics from
.Xr ffs 7
file systems.
.Pp
The following options are available:
.Bl -tag -width indent
.It Fl a
Include statistics for all mounted file systems.
.It Fl c
Display three columns containing number of blocks per file,
number of files in this category, and aggregate total of
blocks in files with this or lower size.
This option is mutually exclusive with the
.Fl n
option.
.It Fl f
For each user, display count of files and space occupied.
This option has no effect if combined with the
.Fl c
or
.Fl n
options.
.It Fl k
Force the numbers to be reported in kilobyte counts.
By default, all sizes are reported in 512-byte block counts.
.It Fl n
Given a list of inodes (plus some optional data on each line)
in the standard input, for each file print out the owner (plus
the remainder of the input line).
Lines that do not begin with a number are ignored.
This is traditionally used
in the pipe:
.Bd -literal -offset indent
.\" ncheck filesystem | sort +0n | quot -n filesystem
ls -i | sed -e 's,^ *,,' | sort -k 1n | quot -n filesystem
.Ed
.Pp
to get a report of files and their owners.
This option is mutually exclusive with the
.Fl c
option.
.It Fl v
In addition to the default output, display the number of files
not accessed within 30, 60 and 90 days.
This option has no effect if combined with the
.Fl c
or
.Fl n
options.
.El
.Sh ENVIRONMENT
.Bl -tag -width BLOCKSIZE
.It Ev BLOCKSIZE
If the environment variable
.Ev BLOCKSIZE
is set, and the
.Fl k
option is not specified, the block counts will be displayed in units of that
size block.
.El
.Sh SEE ALSO
.Xr df 1 ,
.Xr quota 1 ,
.Xr getmntinfo 3 ,
.Xr fstab 5 ,
.Xr ffs 7 ,
.Xr mount 8
.Sh HISTORY
This implementation of
.Nm
is by
.An Wolfgang Solfrank
/ TooLs GmbH.
.Sh BUGS
.Xr ncheck
(which would be a lot more useful than
.Nm ls Fl i
in the example above)
does not exist in
.Fx .
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