dcopy(1M)                                                         dcopy(1M)

NAME
     dcopy - copy file systems for optimal access time

SYNOPSIS
     dcopy [-F FSType] [-V] [genericoptions] [-o specificoptions] inputfs
           outputfs

DESCRIPTION
     dcopy copies file system inputfs to outputfs. inputfs is the device
     file for the existing file system whereas outputfs is the device file
     to hold the reorganized result. For the most effective optimization,
     inputfs should be the raw device and outputfs should be the block de-
     vice. Both inputfs and outputfs should be unmounted file systems.

     There are two types of option: genericoptions and specificoptions.
     genericoptions indicate options that are supported not only by the
     generic but also by the FST-specific module of the command (if that
     command exists). specificoptions indicate suboptions that are sup-
     ported only by the FST-specific module of the command. They are speci-
     fied in a comma-separated list and/or as keyword-attribute pairs for
     interpretation by the FST-specific module of the command. These subop-
     tions are specified via the -o option.

OPTIONS
     The genericoptions are:

     -F  Specifies the FSType on which to operate. The FSType should either
         be specified here or should be determined from /etc/vfstab by
         matching the inputfs (device) with an entry in the table.

     -V  Echoes the complete command line, but does not execute the com-
         mand. The command line is generated using the options and argu-
         ments provided by the user, supplemented by information derived
         from /etc/vfstab. This option should be used to verify and vali-
         date the command line. When used with the FSType option, it passes
         the -V to the FSType-specific module for interpretation.

     -o  Specifies FSType-specific options.

NOTE
     This command may not be supported for all FSTypes.

FILES
     /etc/vfstab
          list of default parameters for each file system

SEE ALSO
     vfstab(4).







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