1 ." DO NOT MODIFY THIS FILE! It was generated by help2man 1.5.1.2.
2 .TH DF 1 "November 1998" "GNU fileutils 4.0" "FSF"
4 df \- report filesystem disk space usage
7 [\fIOPTION\fR]... [\fIFILE\fR]...
11 documents the GNU version of
14 displays the amount of disk space available on the filesystem
15 containing each file name argument. If no file name is given, the
16 space available on all currently mounted filesystems is shown. Disk
17 space is shown in 1K blocks by default, unless the environment
18 variable POSIXLY_CORRECT is set, in which case 512-byte blocks are
21 If an argument is the absolute file name of a disk device node containing a
24 shows the space available on that filesystem rather than on the
25 filesystem containing the device node (which is always the root
26 filesystem). This version of
28 cannot show the space available on unmounted filesystems, because on
29 most kinds of systems doing so requires very nonportable intimate
30 knowledge of filesystem structures.
33 Show information about the filesystem on which each FILE resides,
34 or all filesystems by default.
36 \fB\-a\fR, \fB\-\-all\fR
37 include filesystems having 0 blocks
39 \fB\-\-block\-size\fR=\fISIZE\fR
42 \fB\-h\fR, \fB\-\-human\-readable\fR
43 print sizes in human readable format (e.g., 1K 234M 2G)
45 \fB\-H\fR, \fB\-\-si\fR
46 likewise, but use powers of 1000 not 1024
48 \fB\-i\fR, \fB\-\-inodes\fR
49 list inode information instead of block usage
51 \fB\-k\fR, \fB\-\-kilobytes\fR
52 like \fB\-\-block\-size\fR=\fI1024\fR
54 \fB\-l\fR, \fB\-\-local\fR
55 limit listing to local filesystems
57 \fB\-m\fR, \fB\-\-megabytes\fR
58 like \fB\-\-block\-size\fR=\fI1048576\fR
61 do not invoke sync before getting usage info (default)
63 \fB\-P\fR, \fB\-\-portability\fR
64 use the POSIX output format
67 invoke sync before getting usage info
69 \fB\-t\fR, \fB\-\-type\fR=\fITYPE\fR
70 limit listing to filesystems of type TYPE
72 \fB\-T\fR, \fB\-\-print\-type\fR
75 \fB\-x\fR, \fB\-\-exclude\-type\fR=\fITYPE\fR
76 limit listing to filesystems not of type TYPE
82 display this help and exit
85 output version information and exit
87 Report bugs to <bug-fileutils@gnu.org>.
89 The full documentation for
91 is maintained as a Texinfo manual. If the
95 programs are properly installed at your site, the command
99 should give you access to the complete manual.