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df(1)

DF(1)                            User Commands                           DF(1)

NAME
       df - report file system space usage

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

DESCRIPTION
       This  manual  page  documents  the  GNU version of df.  df displays the
       amount of space available on the file system containing each file  name
       argument.   If  no  file name is given, the space available on all cur‐
       rently mounted file systems is shown.  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 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  ver‐
       sion  of  df cannot show the space available on unmounted file systems,
       because on most kinds of systems doing so requires  non-portable  inti‐
       mate knowledge of file system structures.

OPTIONS
       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  environ‐
       ment  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,R,Q (powers of 1024) or KB,MB,...
       (powers of 1000).  Binary prefixes can be used, too: KiB=K, MiB=M,  and
       so on.

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

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

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright © 2025 Free Software Foundation, Inc.   License  GPLv3+:  GNU
       GPL version 3 or later <https://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.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:

       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   file/gnu-coreutils = Stability Uncommitted

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



NOTES
       Source code for open source software components in Oracle  Solaris  can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This software was built from source available at:
       https://github.com/oracle/solaris-userland

       The original community source was downloaded from:
       https://ftp.gnu.org/gnu/coreutils/coreutils-9.7.tar.xz

       Further information about this software can be found on the open source
       community website at https://www.gnu.org/software/coreutils.

GNU coreutils 9.7                 April 2025                             DF(1)
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