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    s23
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    NAME[edit]

    du - estimate file space usage  
    

    SYNOPSIS[edit]

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

    DESCRIPTION[edit]

    Summarize disk usage of each FILE, recursively for directories.

    Mandatory arguments to long options are mandatory for short options 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 the like 
    

    -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 FILEs that are symbolic links 
    

    --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[edit]

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

    REPORTING BUGS[edit]

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

    COPYRIGHT[edit]

    Copyright © 2005 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.

    SEE ALSO[edit]

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

       info du 
    

    should give you access to the complete manual.

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