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{{manpage}} |
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#redirect [[df]] |
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<pre> |
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NAME |
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df - report filesystem disk space usage |
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SYNOPSIS |
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df [OPTION]... [FILE]... |
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DESCRIPTION |
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This manual page documents the GNU version of df. df displays the |
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amount of disk space available on the filesystem containing each file |
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name argument. If no file name is given, the space available on all |
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currently mounted filesystems is shown. Disk space is shown in 1K |
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blocks by default, unless the environment variable POSIXLY_CORRECT is |
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set, in which case 512-byte blocks are used. |
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If an argument is the absolute file name of a disk device node contain- |
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ing a mounted filesystem, df shows the space available on that filesys- |
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tem rather than on the filesystem containing the device node (which is |
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always the root filesystem). This version of df cannot show the space |
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available on unmounted filesystems, because on most kinds of systems |
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doing so requires very nonportable intimate knowledge of filesystem |
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structures. |
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OPTIONS |
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Show information about the filesystem on which each FILE resides, or |
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all filesystems by default. |
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Mandatory arguments to long options are mandatory for short options |
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too. |
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-a, --all |
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include filesystems having 0 blocks |
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-B, --block-size=SIZE use SIZE-byte blocks |
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-h, --human-readable |
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print sizes in human readable format (e.g., 1K 234M 2G) |
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-H, --si |
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likewise, but use powers of 1000 not 1024 |
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-i, --inodes |
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list inode information instead of block usage |
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-k like --block-size=1K |
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-l, --local |
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limit listing to local filesystems |
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--no-sync |
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do not invoke sync before getting usage info (default) |
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-P, --portability |
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use the POSIX output format |
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--sync invoke sync before getting usage info |
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-t, --type=TYPE |
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limit listing to filesystems of type TYPE |
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-T, --print-type |
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print filesystem type |
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-x, --exclude-type=TYPE |
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limit listing to filesystems not of type TYPE |
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-v (ignored) |
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--help display this help and exit |
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--version |
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output version information and exit |
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SIZE may be (or may be an integer optionally followed by) one of fol- |
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lowing: kB 1000, K 1024, MB 1,000,000, M 1,048,576, and so on for G, T, |
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P, E, Z, Y. |
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AUTHOR |
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Written by Torbjorn Granlund, David MacKenzie, Larry McVoy, and Paul |
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Eggert. |
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REPORTING BUGS |
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Report bugs to <bug-coreutils@gnu.org>. |
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COPYRIGHT |
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Copyright (C) 2002 Free Software Foundation, Inc. |
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This is free software; see the source for copying conditions. There is |
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NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. |
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SEE ALSO |
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The full documentation for df is maintained as a Texinfo manual. If |
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the info and df programs are properly installed at your site, the com- |
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mand |
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info df |
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should give you access to the complete manual. |
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df (coreutils) 4.5.3 February 2003 DF(1) |
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</pre> |
Latest revision as of 07:25, 24 March 2006
NAME df - report filesystem disk space usage SYNOPSIS df [OPTION]... [FILE]... DESCRIPTION This manual page documents the GNU version of df. df displays the amount of disk space available on the filesystem containing each file name argument. If no file name is given, the space available on all currently mounted filesystems is shown. Disk space is shown in 1K blocks by default, unless the environment variable POSIXLY_CORRECT is set, in which case 512-byte blocks are used. If an argument is the absolute file name of a disk device node contain- ing a mounted filesystem, df shows the space available on that filesys- tem rather than on the filesystem containing the device node (which is always the root filesystem). This version of df cannot show the space available on unmounted filesystems, because on most kinds of systems doing so requires very nonportable intimate knowledge of filesystem structures. OPTIONS Show information about the filesystem on which each FILE resides, or all filesystems by default. Mandatory arguments to long options are mandatory for short options too. -a, --all include filesystems having 0 blocks -B, --block-size=SIZE use SIZE-byte blocks -h, --human-readable print sizes in human readable format (e.g., 1K 234M 2G) -H, --si likewise, but use powers of 1000 not 1024 -i, --inodes list inode information instead of block usage -k like --block-size=1K -l, --local limit listing to local filesystems --no-sync do not invoke sync before getting usage info (default) -P, --portability use the POSIX output format --sync invoke sync before getting usage info -t, --type=TYPE limit listing to filesystems of type TYPE -T, --print-type print filesystem type -x, --exclude-type=TYPE limit listing to filesystems not of type TYPE -v (ignored) --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 fol- lowing: kB 1000, K 1024, MB 1,000,000, M 1,048,576, and so on for G, T, P, E, Z, Y. AUTHOR Written by Torbjorn Granlund, David MacKenzie, Larry McVoy, and Paul Eggert. REPORTING BUGS Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. SEE ALSO The full documentation for df is maintained as a Texinfo manual. If the info and df programs are properly installed at your site, the com- mand info df should give you access to the complete manual. df (coreutils) 4.5.3 February 2003 DF(1)