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du-(1) manual page

Last Updated on Tuesday, 09 June 2009 11:42

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Name

du - estimate file space usage

Synopsis

du [OPTION]... [FILE]...
du [OPTION]... --files0-from=F

Description

Summarize disk usage of each FILE, recursively for directories.

Mandatory arguments to long options are mandatory for shortoptions too.

-a, --all

write counts for all files, not just directories

--apparent-size

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 thelike

-B, --block-size=SIZE

use SIZE-byte blocks

-b, --bytes

equivalent to ‘--apparent-size --block-size=1’

-c, --total

produce a grand total

-D, --dereference-args

dereference only symlinks that are listed on the command line

--files0-from=F

summarize disk usage of the NUL-terminated file names specified in file F

-H

like --si, but also evokes a warning; will soon change to be equivalent to --dereference-args (-D)

-h, --human-readable

print sizes in human readable format (e.g., 1K 234M 2G)

--si

like -h, but use powers of 1000 not 1024

-k

like --block-size=1K

-l, --count-links

count sizes many times if hard linked

-m

like --block-size=1M

-L, --dereference

dereference all symbolic links

-P, --no-dereference

don’t follow any symbolic links (this is the default)

-0, --null

end each output line with 0 byte rather than newline

-S, --separate-dirs

do not include size of subdirectories

-s, --summarize

display only a total for each argument

-x, --one-file-system

skip directories on different file systems

-X FILE, --exclude-from=FILE

Exclude files that match any pattern in FILE.

--exclude=PATTERN

Exclude files that match PATTERN.

--max-depth=N

print the total for a directory (or file, with --all) only if it is N or fewer levels below the command line argument; --max-depth=0 is the same as --summarize

--time

show time of the last modification of any file in the directory, or any of its subdirectories

--time=WORD

show time as WORD instead of modification time: atime, access, use, ctime or status

--time-style=STYLE

show times using style STYLE: full-iso, long-iso, iso, +FORMAT FORMAT is interpreted like ‘date’

--help

display this help and exit

--version

output version information and exit

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.

Patterns

PATTERN is a shell pattern (not a regular expression). The pattern ? matches any one character, whereas * matches any string (composed of zero, one or multiple characters). For example, *.o will match any files whose names end in .o. Therefore, the command

du --exclude=’*.o’

will skip all files and subdirectories ending in .o (including the file .o itself).

Author

Written by Torbjorn Granlund, David MacKenzie, Paul Eggert, and Jim Meyering.

Reporting Bugs

Report bugs to <bug-coreutils@gnu.org>.

Copyright

Copyright © 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html >
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

See Also

The full documentation for du is maintained as a Texinfo manual. If the infoand du programs are properly installed at your site, the command

info du

should give you access to the completemanual.

 

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Table of Contents

 

• Name
• Synopsis
• Description
• Patterns
• Author
• Reporting Bugs
• Copyright
• See Also

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