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du(1)									 du(1)

NAME
       du - summarize disk usage

SYNOPSIS
       type] [name]...

DESCRIPTION
       The command gives the number of 512-byte blocks allocated for all files
       and (recursively) directories within each directory and file  specified
       by  the name operands.  The block count includes the indirect blocks of
       the file.  A file with two or more links is counted only once.  If name
       is missing, the current working directory is used.

       By  default,  generates	an  entry  only for the name operands and each
       directory contained within those hierarchies.

       By default, when a symbolic link is encountered on the command line  or
       in  the file hierarchy, will count the size of the symbolic link rather
       than the file referenced by the link, and will not follow the  link  to
       another portion of the file hierarchy.

   Options
       The command recognizes the following options:

	      Print entries for each file encountered
			     in	 the  directory hierarchies in addition to the
			     normal output.

	      For each	     name operand that is a directory for  which  file
			     system swap has been enabled, print the number of
			     blocks the swap system is currently using.

	      If a symbolic link is specified on the command line,
			     will count the size of the file or file hierarchy
			     referenced	 by  the  link.	 Unlike the option, it
			     will not follow symbolic links encountered during
			     the traversal of the directory hierarchy.

	      Gives the block count in 1024-byte blocks.

	      If a symbolic link is specified on the command line or
			     encountered  during the traversal of a file hier‐
			     archy, will count the size of the	file  or  file
			     hierarchy referenced by the link.

	      Print messages about directories that cannot be read,
			     files  that  cannot  be  accessed, and so on.  is
			     normally silent about such conditions.

	      Print only the grand total of disk usage
			     for each of the specified name operands.

	      Restrict reporting to file systems of the specified
			     type.  (Example values for type are and  so  on.)
			     Multiple options can be specified.	 Disk usage is
			     normally reported for the entire directory	 hier‐
			     archy below each of the given name operands.

	      Restrict reporting to only those files
			     that  have	 the same device as the file specified
			     by the name  operand.   Disk  usage  is  normally
			     reported for the entire directory hierarchy below
			     each of the given name operands.

       According to the standards, specifying more than one of	the  mutually-
       exclusive options and will not be considered an error.  The last option
       specified will determine the behavior of the utility.

EXAMPLES
       Display disk usage for the current working directory and	 all  directo‐
       ries below it, generating error messages for unreadable directories:

       Display disk usage for the entire file system except for any or mounted
       file systems:

       Display disk usage for files on the root volume only.  No usage statis‐
       tics are collected for any other mounted file systems:

WARNINGS
       Block counts are incorrect for files that contain holes.

SEE ALSO
       df(1M), bdf(1M), quot(1M), standards(5).

STANDARDS CONFORMANCE
									 du(1)
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