df

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DF(1) User Commands DF(1)






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 1000*1000, M 1024*1024, and so on for G, T,
P, E, Z, Y.


AUTHOR

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


REPORTING BUGS
Report bugs to .


COPYRIGHT

Copyright © 2004 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 coreutils df


should give you access to the complete manual.






df (coreutils) 5.2.1 July 2004 DF(1)
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