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df(1M) df(1M)
NAME
df (generic) - report number of free file system disk blocks
SYNOPSIS
/usr/bin/df [-F FStype] [-befgiklnv] [-t|-P] [-o specific_options] [-V]
[special|directory]...
DESCRIPTION
The df command displays the number of free 512-byte blocks and free
inodes available for file systems by examining the counts kept in the
superblock or superblocks. If a special or a directory is not
specified, the free space on all mounted file systems is displayed.
If the arguments to df are path names, df reports on the file systems
containing the named files. If the argument to df is a special of an
unmounted file system, the free space in the unmounted file system is
displayed.
Options
df recognizes the following options:
-b Report only the number of kilobytes (KB) free.
-e Report the number of files free.
-f Report only the actual count of the blocks in the
free list (free inodes are not reported).
-F FStype Report only on the FStype file system type (see
fstyp(1M)).
-g Report the entire structure described in
statvfs(2).
-i Report the total number of inodes, the number of
free inodes, number of used inodes, and the
percentage of inodes in use.
-k Report the allocation in kilobytes (KB).
-l Report on local file systems only.
-n Report the file system name. If used with no
other options, display a list of mounted file
system types.
-o specific_options
Specify options specific to each file system type.
specific_options is a comma-separated list of
suboptions intended for a specific FStype module
of the command. See the file-system-specific
manual entries for further details.
Hewlett-Packard Company - 1 - HP-UX Release 10.10: November 1995
df(1M) df(1M)
-P Report the name of the file system, the size of
the file system, the number of blocks used, the
number of blocks free, the percentage of blocks
used and the directory below which the file system
hierarchy appears.
-t Report the total allocated block figures and the
number of free blocks.
-v Report the percentage of blocks used, the number
of blocks used, and the number of blocks free.
This option cannot be used with other options.
-V Echo the completed command line, but perform no
other action. The command line is generated by
incorporating the user-specified options and other
information derived from /etc/fstab. This option
allows the user to verify the command line.
EXTERNAL INFLUENCES
Environment Variables
LC_MESSAGES determines the language in which messages are displayed.
If LC_MESSAGES is not specified in the environment or is set to the
empty string, the value of LANG is used as a default for each
unspecified or empty variable. If LANG is not specified or is set to
the empty string, a default of "C" (see lang(5)) is used instead of
LANG.
If any internationalization variable contains an invalid setting, df
behaves as if all internationalization variables are set to "C". See
environ(5).
International Code Set Support
Single-byte and multi-byte character code sets are supported.
EXAMPLES
Report the number of free disk blocks for all mounted file systems:
df
Report the number of free disk blocks for all mounted HFS file
systems:
df -F hfs
Report the number of free files for all mounted NFS file systems:
df -F nfs -e
Hewlett-Packard Company - 2 - HP-UX Release 10.10: November 1995
df(1M) df(1M)
Report the total allocated block figures and the number of free
blocks, for all mounted file systems:
df -t
Report the total allocated block figures and the number of free
blocks, for the file system mounted as /usr:
df -t /usr
FILES
/dev/dsk/* File system devices
/etc/fstab Static information about the file systems
/etc/mnttab Mounted file system table
SEE ALSO
du(1), df_FStype(1M), fsck(1M), fstab(4), fstyp(1M), statvfs(2),
mnttab(4).
STANDARDS CONFORMANCE
df: SVID2, SVID3, XPG2, XPG3, XPG4
Hewlett-Packard Company - 3 - HP-UX Release 10.10: November 1995
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