Name
df — report file system disk space usage
DESCRIPTION
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 (which is always the root file system). 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
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 dummy file systems
−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 file systems
−−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 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
SIZE may be (or may be an integer optionally followed by)
one of following: 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 <bug−coreutils@gnu.org>.
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 command
should give you access to the complete manual.
| COPYRIGHT |
|
Copyright © 2007 Free Software Foundation,
Inc.
This is free software. You may redistribute
copies of it under the terms of the GNU General
Public License
<http://www.gnu.org/licenses/gpl.html>. There
is NO WARRANTY, to the extent permitted by law.
|
