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1998-05-21
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/xlv1/freeware/1998.May/fileutils/3.16/fileutils-3.16.diffbuild/man
DDDDFFFF((((1111)))) FFFFSSSSFFFF ((((GGGGNNNNUUUU FFFFiiiilllleeee UUUUttttiiiilllliiiittttiiiieeeessss)))) DDDDFFFF((((1111))))
NNNNAAAAMMMMEEEE
df - summarize free disk space
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
ddddffff [-aikPv] [-t fstype] [-x fstype] [--all] [--inodes]
[--type=fstype] [--exclude-type=fstype] [--kilobytes]
[--portability] [--print-type] [--help] [--version]
[filename...]
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
This documentation is no longer being maintained and may be
inaccurate or incomplete. The Texinfo documentation is now
the authoritative source.
This manual page documents the GNU version of ddddffff. ddddffff
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 containing a mounted filesystem, ddddffff shows the space
available on that filesystem rather than on the filesystem
containing the device node (which is always the root
filesystem). This version of ddddffff cannot show the space
available on unmounted filesystems, because on most kinds of
systems doing so requires very nonportable intimate
knowledge of filesystem structures.
OOOOPPPPTTTTIIIIOOOONNNNSSSS
-_a, --_a_l_l
Include in the listing filesystems that have 0 blocks,
which are omitted by default. Such filesystems are
typically special-purpose pseudo-filesystems, such as
automounter entries. On some systems, filesystems of
type ``ignore'' or ``auto'' are also omitted by default
and included in the listing by this option.
-_i, --_i_n_o_d_e_s
List inode usage information instead of block usage.
An inode (short for ``index node'') is a special kind
of disk block that contains information about a file,
such as its owner, permissions, timestamps, and
location on the disk.
-_k, --_k_i_l_o_b_y_t_e_s
Print sizes in 1K blocks instead of 512-byte blocks.
This overrides the environment variable
POSIXLY_CORRECT.
Page 1 (printed 5/18/98)
DDDDFFFF((((1111)))) FFFFSSSSFFFF ((((GGGGNNNNUUUU FFFFiiiilllleeee UUUUttttiiiilllliiiittttiiiieeeessss)))) DDDDFFFF((((1111))))
-_P, --_p_o_r_t_a_b_i_l_i_t_y
Use the POSIX output format. This is like the default
format except that the information about each
filesystem is always printed on exactly one line; a
mount device is never put on a line by itself. This
means that if the mount device name is more than 20
characters long (as for some network mounts), the
columns are misaligned.
-_T, --_p_r_i_n_t-_t_y_p_e
Print a type string for each filesystem. Any such
printed filesystem type name may be used as an argument
to either of the --type= or --exclude-type= options.
-_t, --_t_y_p_e=_f_s_t_y_p_e
Limit the listing to filesystems of type _f_s_t_y_p_e.
Multiple filesystem types can be shown by giving
multiple -_t options. By default, all filesystem types
are listed.
-_x, --_e_x_c_l_u_d_e-_t_y_p_e=_f_s_t_y_p_e
Limit the listing to filesystems not of type _f_s_t_y_p_e.
Multiple filesystem types can be eliminated by giving
multiple -_x options. By default, all filesystem types
are listed.
-_v Ignored; for compatibility with System V versions of
ddddffff.
--_h_e_l_p
Print a usage message on standard output and exit
successfully.
--_v_e_r_s_i_o_n
Print version information on standard output then exit
successfully.
Page 2 (printed 5/18/98)