Data Copying

• cp (Unix command) - note that the "-p" parameter attempts to preserve the modified and accessed times, user ID, group ID and permissions
  http://www.gnu.org/software/coreutils/manual/html_node/cp-invocation.html
• dcfldd - includes several enhancements to dd, including ability to create MD5 hashes on-the-fly
  http://dcfldd.sourceforge.net/
• dd (Unix Command) - used for low-level copying and conversion of data (can create disk images by operating below the filesystem level)
  http://www.gnu.org/software/coreutils/manual/html_node/dd-invocation.html
• Robocopy (Microsoft) - copies entire directories and directory tree (retaining file syetem information) in Windows
  http://en.wikipedia.org/wiki/Robocopy
  http://www.microsoft.com/technet/technetmag/issues/2006/11/UtilitySpotlight/default.aspx
• xcopy (Microsoft)
  http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/xcopy.mspx
• xxcopy
  http://www.xxcopy.com/index.htm