.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.33.
.TH DU "1" "March 2004" "du (coreutils) 5.2.1" "User Commands"
.SH NAME
du \- estimate file space usage
.SH SYNOPSIS
.B du
[\fIOPTION\fR]... [\fIFILE\fR]...
.SH DESCRIPTION
.\" Add any additional description here
.PP
Summarize disk usage of each FILE, recursively for directories.
.PP
Mandatory arguments to long options are mandatory for short options too.
.TP
\fB\-a\fR, \fB\-\-all\fR
write counts for all files, not just directories
.TP
\fB\-\-apparent\-size\fR
print apparent sizes, rather than disk usage; although
the apparent size is usually smaller, it may be
larger due to holes in (`sparse') files, internal
fragmentation, indirect blocks, and the like
.HP
\fB\-B\fR, \fB\-\-block\-size\fR=\fISIZE\fR use SIZE-byte blocks
.TP
\fB\-b\fR, \fB\-\-bytes\fR
equivalent to `--apparent-size \fB\-\-block\-size\fR=\fI1\fR'
.TP
\fB\-c\fR, \fB\-\-total\fR
produce a grand total
.TP
\fB\-D\fR, \fB\-\-dereference\-args\fR
dereference FILEs that are symbolic links
.TP
\fB\-H\fR
like \fB\-\-si\fR, but also evokes a warning; will soon
change to be equivalent to \fB\-\-dereference\-args\fR (-D)
.TP
\fB\-h\fR, \fB\-\-human\-readable\fR
print sizes in human readable format (e.g., 1K 234M 2G)
.TP
\fB\-\-si\fR
like \fB\-h\fR, but use powers of 1000 not 1024
.TP
\fB\-k\fR
like \fB\-\-block\-size\fR=\fI1K\fR
.TP
\fB\-l\fR, \fB\-\-count\-links\fR
count sizes many times if hard linked
.TP
\fB\-L\fR, \fB\-\-dereference\fR
dereference all symbolic links
.TP
\fB\-P\fR, \fB\-\-no\-dereference\fR
don't follow any symbolic links (this is the default)
.TP
\fB\-0\fR, \fB\-\-null\fR
end each output line with 0 byte rather than newline
.TP
\fB\-S\fR, \fB\-\-separate\-dirs\fR
do not include size of subdirectories
.TP
\fB\-s\fR, \fB\-\-summarize\fR
display only a total for each argument
.TP
\fB\-x\fR, \fB\-\-one\-file\-system\fR
skip directories on different filesystems
.TP
\fB\-X\fR FILE, \fB\-\-exclude\-from\fR=\fIFILE\fR
Exclude files that match any pattern in FILE.
.HP
\fB\-\-exclude\fR=\fIPATTERN\fR Exclude files that match PATTERN.
.TP
\fB\-\-max\-depth\fR=\fIN\fR
print the total for a directory (or file, with \fB\-\-all\fR)
only if it is N or fewer levels below the command
line argument;  \fB\-\-max\-depth\fR=\fI0\fR is the same as
\fB\-\-summarize\fR
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.PP
SIZE may be (or may be an integer optionally followed by) one of following:
kB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.
.SH PATTERNS
PATTERN is a shell pattern (not a regular expression).  The pattern
.BR ?
matches any one character, whereas
.BR *
matches any string (composed of zero, one or multiple characters).  For
example,
.BR *.o
will match any files whose names end in
.BR .o .
Therefore, the command
.IP
.B du --exclude='*.o'
.PP
will skip all files and subdirectories ending in
.BR .o
(including the file
.BR .o
itself).
.SH AUTHOR
Written by Torbjorn Granlund, David MacKenzie, Paul Eggert, and Jim Meyering.
.SH "REPORTING BUGS"
Report bugs to .
.SH COPYRIGHT
Copyright \(co 2004 Free Software Foundation, Inc.
.br
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.SH "SEE ALSO"
The full documentation for
.B du
is maintained as a Texinfo manual.  If the
.B info
and
.B du
programs are properly installed at your site, the command
.IP
.B info coreutils du
.PP
should give you access to the complete manual.

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