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BSD 4.4 Lite Usr.bin Sources
1994-05-27 12:33:43 +00:00
.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
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.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" @(#)du.1 8.2 (Berkeley) 4/1/94
$Id$ -> $FreeBSD$
1999-08-28 01:08:13 +00:00
.\" $FreeBSD$
BSD 4.4 Lite Usr.bin Sources
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.\"
.Dd April 1, 1994
.Dt DU 1
.Os
.Sh NAME
.Nm du
.Nd display disk usage statistics
.Sh SYNOPSIS
.Nm du
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.Op Fl P | Fl H | Fl L
Add a 'depth (-d#)' flag to du patched (context diff), compiled (w/ -Wall) and tested Submitted by: John-Mark Gurney <jmg@nike.efn.org>
1996-10-23 06:53:57 +00:00
.Op Fl a | s | d Ar depth
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.Op Fl c
Add human-readable output flag, -h Reviewed by: obrien
2000-01-25 17:46:59 +00:00
.Op Fl h | k
BSD 4.4 Lite Usr.bin Sources
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.Op Fl x
.Op Ar file ...
.Sh DESCRIPTION
The
.Nm du
utility displays the file system block usage for each file argument
and for each directory in the file hierarchy rooted in each directory
argument.
If no file is specified, the block usage of the hierarchy rooted in
the current directory is displayed.
Document -k flag.
1997-06-30 06:50:07 +00:00
If the
.Fl k
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
flag is specified, the number of 1024-byte
blocks used by the file is displayed, otherwise
.Xr getbsize 3
is used to determine the preferred block size.
BSD 4.4 Lite Usr.bin Sources
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Partial numbers of blocks are rounded up.
.Pp
The options are as follows:
.Bl -tag -width Ds
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.It Fl P
No symbolic links are followed. (default)
BSD 4.4 Lite Usr.bin Sources
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.It Fl H
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
Symbolic links on the command line are followed, symbolic links in file
hierarchies are not followed.
BSD 4.4 Lite Usr.bin Sources
1994-05-27 12:33:43 +00:00
.It Fl L
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
Symbolic links on the command line and in file hierarchies are followed.
BSD 4.4 Lite Usr.bin Sources
1994-05-27 12:33:43 +00:00
.It Fl a
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
Display an entry for each file in a file hierarchy.
Add human-readable output flag, -h Reviewed by: obrien
2000-01-25 17:46:59 +00:00
.It Fl h
"Human-readable" output. Use unit suffixes: Byte, Kilobyte, Megabyte,
Gigabyte, Terabyte and Petabyte
.It Fl r
Generate messages about directories that cannot be read, files
that cannot be opened, and so on. This is the default case.
This option exists solely for conformance with
.St -xpg4 .
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.It Fl s
Display an entry for each specified file. (Equivalent to
.Fl d
0 )
Add a 'depth (-d#)' flag to du patched (context diff), compiled (w/ -Wall) and tested Submitted by: John-Mark Gurney <jmg@nike.efn.org>
1996-10-23 06:53:57 +00:00
.It Fl d Ar depth
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
Display an entry for all files and directories
Add a 'depth (-d#)' flag to du patched (context diff), compiled (w/ -Wall) and tested Submitted by: John-Mark Gurney <jmg@nike.efn.org>
1996-10-23 06:53:57 +00:00
.Ar depth
directories deep.
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.It Fl c
Display a grand total.
Gimme my `-k' option back!
1994-08-10 19:25:34 +00:00
.It Fl k
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
Display block counts in 1024-byte (1-Kbyte) blocks.
BSD 4.4 Lite Usr.bin Sources
1994-05-27 12:33:43 +00:00
.It Fl x
Filesystem mount points are not traversed.
.El
.Pp
.Nm Du
counts the storage used by symbolic links and not the files they
reference unless the
.Fl H
or
.Fl L
option is specified.
If either the
.Fl H
or
.Fl L
options are specified, storage used by any symbolic links which are
followed is not counted or displayed.
.Pp
Files having multiple hard links are counted (and displayed) a single
time per
.Nm du
execution.
.Sh ENVIRONMENT VARIABLES -> .Sh ENVIRONMENT PR: 6599 Reviewed by: phk Submitted by: Josh Gilliam <josh@quick.net>
1998-05-13 07:57:49 +00:00
.Sh ENVIRONMENT
BSD 4.4 Lite Usr.bin Sources
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.Bl -tag -width BLOCKSIZE
.It Ev BLOCKSIZE
Document -k flag.
1997-06-30 06:50:07 +00:00
If the environment variable
BSD 4.4 Lite Usr.bin Sources
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.Ev BLOCKSIZE
Document -k flag.
1997-06-30 06:50:07 +00:00
is set, and the
.Fl k
Remove single-space hard sentence breaks. These degrade the quality of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
2000-03-01 12:20:22 +00:00
option is not specified, the block counts will be displayed in 1024-byte blocks.
If
* add a -c option which displays the grand total of all files counted. * re-word parts of the man page which I felt were badly worded or ambiguous. * change the behaviour of argument processing so that when more than one of the -P, -H and -L options are specified it will print an error message, rather than choosing the last option specified, this behaviour is more logical and consistent with other utilities. * change the behaviour of argument processing so that negative arguments to the -d option are not allowed. PR: 5388 Submitted by: Niall Smart <rotel@indigo.ie>
1997-12-29 20:56:21 +00:00
.Ev BLOCKSIZE
is not set, and the
.Fl k
option is not specified, the block counts will be displayed in 512-byte blocks.
BSD 4.4 Lite Usr.bin Sources
1994-05-27 12:33:43 +00:00
.El
.Sh SEE ALSO
.Xr df 1 ,
.Xr fts 3 ,
.Xr symlink 7 ,
Restore the reference to quot(8).
1995-08-13 09:39:23 +00:00
.Xr quot 8
BSD 4.4 Lite Usr.bin Sources
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.Sh HISTORY
A
.Nm du
command appeared in
[HISTORY] command appeared in Version 1 AT&T UNIX Obtained from: A Quarter Century of UNIX, Peter H. Salus, page 41
1996-08-29 18:06:19 +00:00
.At v1 .
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