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           df - report filesystem disk space usage
           df [OPTION]... [FILE]...
           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
           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
           -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
    	      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
    	      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 1,000,000, M 1,048,576, and so on for G, T,
           P, E, Z, Y.
           Written by Torbjorn Granlund, David MacKenzie, Larry  McVoy,  and  Paul
           Report bugs to <bug-coreutils@gnu.org>.
           Copyright (C) 2002 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
           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-
    	      info df
           should give you access to the complete manual.
    df (coreutils) 4.5.3		 February 2003				 DF(1)
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