NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON

DF(1)                           User Commands                          DF(1)

NAME         top

       df - report file system disk space usage

SYNOPSIS         top

       df [OPTION]... [FILE]...

DESCRIPTION         top

       This manual page documents the GNU version of df.  df displays the
       amount of disk space available on the file system containing each
       file name argument.  If no file name is given, the space available on
       all currently mounted file systems 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
       containing a mounted file system, df shows the space available on
       that file system rather than on the file system containing the device
       node.  This version of df cannot show the space available on
       unmounted file systems, because on most kinds of systems doing so
       requires very nonportable intimate knowledge of file system
       structures.

OPTIONS         top

       Show information about the file system on which each FILE resides, or
       all file systems by default.

       Mandatory arguments to long options are mandatory for short options
       too.

       -a, --all
              include pseudo, duplicate, inaccessible file systems

       -B, --block-size=SIZE
              scale sizes by SIZE before printing them; e.g., '-BM' prints
              sizes in units of 1,048,576 bytes; see SIZE format below

       -h, --human-readable
              print sizes in powers of 1024 (e.g., 1023M)

       -H, --si
              print sizes in powers of 1000 (e.g., 1.1G)

       -i, --inodes
              list inode information instead of block usage

       -k     like --block-size=1K

       -l, --local
              limit listing to local file systems

       --no-sync
              do not invoke sync before getting usage info (default)

       --output[=FIELD_LIST]
              use the output format defined by FIELD_LIST, or print all
              fields if FIELD_LIST is omitted.

       -P, --portability
              use the POSIX output format

       --sync invoke sync before getting usage info

       --total
              elide all entries insignificant to available space, and
              produce a grand total

       -t, --type=TYPE
              limit listing to file systems of type TYPE

       -T, --print-type
              print file system type

       -x, --exclude-type=TYPE
              limit listing to file systems not of type TYPE

       -v     (ignored)

       --help display this help and exit

       --version
              output version information and exit

       Display values are in units of the first available SIZE from
       --block-size, and the DF_BLOCK_SIZE, BLOCK_SIZE and BLOCKSIZE
       environment variables.  Otherwise, units default to 1024 bytes (or
       512 if POSIXLY_CORRECT is set).

       The SIZE argument is an integer and optional unit (example: 10K is
       10*1024).  Units are K,M,G,T,P,E,Z,Y (powers of 1024) or KB,MB,...
       (powers of 1000).

       FIELD_LIST is a comma-separated list of columns to be included.
       Valid field names are: 'source', 'fstype', 'itotal', 'iused',
       'iavail', 'ipcent', 'size', 'used', 'avail', 'pcent', 'file' and
       'target' (see info page).

AUTHOR         top

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

REPORTING BUGS         top

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report df translation bugs to <http://translationproject.org/team/>

COPYRIGHT         top

       Copyright © 2017 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         top

       Full documentation at: <http://www.gnu.org/software/coreutils/df>
       or available locally via: info '(coreutils) df invocation'

COLOPHON         top

       This page is part of the coreutils (basic file, shell and text
       manipulation utilities) project.  Information about the project can
       be found at ⟨http://www.gnu.org/software/coreutils/⟩.  If you have a
       bug report for this manual page, see 
       ⟨http://www.gnu.org/software/coreutils/⟩.  This page was obtained from
       the tarball coreutils-8.27.tar.xz fetched from 
       ⟨http://www.gnutls.org/download.html⟩ on 2017-05-03.  If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail
       to man-pages@man7.org

GNU coreutils 8.27               March 2017                            DF(1)

Pages that refer to this page: fstab(5)tmpfs(5)findmnt(8)xfs_quota(8)