-- defrag --

This command will defragment a filesystem.

Usage:
  defrag [-s] [-T] [disk_name]

The 'defrag' program is interactive, and operates in both text and graphics
modes.  The -T option forces defrag to operate in text-only mode.  The -s
option forces 'silent' mode (i.e. no unnecessary output or status messages
are printed/displayed).

The last (optional) parameter is the name of a (logical) disk to defragment
(use the 'disks' command to list the disks).  A defrag can only proceed if
the driver for the requested filesystem type supports this functionality.

Options:
-s         : Silent mode
-T         : Force text mode operation