199 lines
6.3 KiB
HTML
199 lines
6.3 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of DU</TITLE>
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</HEAD><BODY>
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<H1>DU</H1>
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Section: User Commands (1)<BR>Updated: September 2019<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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du - estimate file space usage
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>du</B>
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[<I>,OPTION/</I>]... [<I>,FILE/</I>]...
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<BR>
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<B>du</B>
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[<I>,OPTION/</I>]... <I>,--files0-from=F/</I>
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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Summarize disk usage of the set of FILEs, recursively for directories.
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<P>
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Mandatory arguments to long options are mandatory for short options too.
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<DL COMPACT>
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<DT id="1"><B>-0</B>, <B>--null</B><DD>
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end each output line with NUL, not newline
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<DT id="2"><B>-a</B>, <B>--all</B><DD>
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write counts for all files, not just directories
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<DT id="3"><B>--apparent-size</B><DD>
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print apparent sizes, rather than disk usage; although
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the apparent size is usually smaller, it may be
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larger due to holes in ('sparse') files, internal
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fragmentation, indirect blocks, and the like
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<DT id="4"><B>-B</B>, <B>--block-size</B>=<I>,SIZE/</I><DD>
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scale sizes by SIZE before printing them; e.g.,
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'-BM' prints sizes in units of 1,048,576 bytes;
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see SIZE format below
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<DT id="5"><B>-b</B>, <B>--bytes</B><DD>
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equivalent to '--apparent-size <B>--block-size</B>=<I>,1/</I>'
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<DT id="6"><B>-c</B>, <B>--total</B><DD>
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produce a grand total
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<DT id="7"><B>-D</B>, <B>--dereference-args</B><DD>
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dereference only symlinks that are listed on the
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command line
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<DT id="8"><B>-d</B>, <B>--max-depth</B>=<I>,N/</I><DD>
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print the total for a directory (or file, with <B>--all</B>)
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only if it is N or fewer levels below the command
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line argument; <B>--max-depth</B>=<I>,0/</I> is the same as
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<B>--summarize</B>
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<DT id="9"><B>--files0-from</B>=<I>,F/</I><DD>
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summarize disk usage of the
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NUL-terminated file names specified in file F;
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if F is -, then read names from standard input
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<DT id="10"><B>-H</B><DD>
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equivalent to <B>--dereference-args</B> (<B>-D</B>)
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<DT id="11"><B>-h</B>, <B>--human-readable</B><DD>
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print sizes in human readable format (e.g., 1K 234M 2G)
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<DT id="12"><B>--inodes</B><DD>
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list inode usage information instead of block usage
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<DT id="13"><B>-k</B><DD>
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like <B>--block-size</B>=<I>,1K/</I>
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<DT id="14"><B>-L</B>, <B>--dereference</B><DD>
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dereference all symbolic links
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<DT id="15"><B>-l</B>, <B>--count-links</B><DD>
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count sizes many times if hard linked
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<DT id="16"><B>-m</B><DD>
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like <B>--block-size</B>=<I>,1M/</I>
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<DT id="17"><B>-P</B>, <B>--no-dereference</B><DD>
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don't follow any symbolic links (this is the default)
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<DT id="18"><B>-S</B>, <B>--separate-dirs</B><DD>
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for directories do not include size of subdirectories
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<DT id="19"><B>--si</B><DD>
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like <B>-h</B>, but use powers of 1000 not 1024
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<DT id="20"><B>-s</B>, <B>--summarize</B><DD>
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display only a total for each argument
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<DT id="21"><B>-t</B>, <B>--threshold</B>=<I>,SIZE/</I><DD>
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exclude entries smaller than SIZE if positive,
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or entries greater than SIZE if negative
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<DT id="22"><B>--time</B><DD>
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show time of the last modification of any file in the
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directory, or any of its subdirectories
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<DT id="23"><B>--time</B>=<I>,WORD/</I><DD>
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show time as WORD instead of modification time:
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atime, access, use, ctime or status
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<DT id="24"><B>--time-style</B>=<I>,STYLE/</I><DD>
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show times using STYLE, which can be:
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full-iso, long-iso, iso, or +FORMAT;
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FORMAT is interpreted like in 'date'
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<DT id="25"><B>-X</B>, <B>--exclude-from</B>=<I>,FILE/</I><DD>
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exclude files that match any pattern in FILE
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<DT id="26"><B>--exclude</B>=<I>,PATTERN/</I><DD>
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exclude files that match PATTERN
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<DT id="27"><B>-x</B>, <B>--one-file-system</B><DD>
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skip directories on different file systems
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<DT id="28"><B>--help</B><DD>
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display this help and exit
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<DT id="29"><B>--version</B><DD>
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output version information and exit
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</DL>
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<P>
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Display values are in units of the first available SIZE from <B>--block-size</B>,
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and the DU_BLOCK_SIZE, BLOCK_SIZE and BLOCKSIZE environment variables.
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Otherwise, units default to 1024 bytes (or 512 if POSIXLY_CORRECT is set).
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<P>
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The SIZE argument is an integer and optional unit (example: 10K is 10*1024).
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Units are K,M,G,T,P,E,Z,Y (powers of 1024) or KB,MB,... (powers of 1000).
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<A NAME="lbAE"> </A>
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<H2>PATTERNS</H2>
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PATTERN is a shell pattern (not a regular expression). The pattern
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<B>?</B>
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matches any one character, whereas
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<B>*</B>
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matches any string (composed of zero, one or multiple characters). For
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example,
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<B>*.o</B>
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will match any files whose names end in
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<B>.o</B>.
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Therefore, the command
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<DL COMPACT>
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<DT id="30"><DD>
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<B>du --exclude='*.o'</B>
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</DL>
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<P>
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will skip all files and subdirectories ending in
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<B>.o</B>
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(including the file
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<B>.o</B>
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itself).
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<A NAME="lbAF"> </A>
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<H2>AUTHOR</H2>
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Written by Torbjorn Granlund, David MacKenzie, Paul Eggert,
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and Jim Meyering.
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<A NAME="lbAG"> </A>
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<H2>REPORTING BUGS</H2>
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GNU coreutils online help: <<A HREF="https://www.gnu.org/software/coreutils/">https://www.gnu.org/software/coreutils/</A>>
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<BR>
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Report du translation bugs to <<A HREF="https://translationproject.org/team/">https://translationproject.org/team/</A>>
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<A NAME="lbAH"> </A>
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<H2>COPYRIGHT</H2>
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Copyright © 2018 Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <<A HREF="https://gnu.org/licenses/gpl.html">https://gnu.org/licenses/gpl.html</A>>.
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<BR>
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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<A NAME="lbAI"> </A>
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<H2>SEE ALSO</H2>
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Full documentation at: <<A HREF="https://www.gnu.org/software/coreutils/du">https://www.gnu.org/software/coreutils/du</A>>
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<BR>
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or available locally via: info '(coreutils) du invocation'
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="31"><A HREF="#lbAB">NAME</A><DD>
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<DT id="32"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="33"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="34"><A HREF="#lbAE">PATTERNS</A><DD>
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<DT id="35"><A HREF="#lbAF">AUTHOR</A><DD>
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<DT id="36"><A HREF="#lbAG">REPORTING BUGS</A><DD>
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<DT id="37"><A HREF="#lbAH">COPYRIGHT</A><DD>
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<DT id="38"><A HREF="#lbAI">SEE ALSO</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:11 GMT, March 31, 2021
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