Version 3.78
 -Moved Alternative Imaging tools section to "Advanced Forensics"
 -added detail on the output of some TSK tools (by request).
 -reorganized the Sleuthkit NTFS examination sections to account 
  for changes in TSK 3 (orphan files). Exercise on NTFS deleted files was 
  removed, since TSK 3 makes it moot. 
 -added material to NTFS section on more detailed file analysis.
 -changed unallocated examination exercise to account for change in 
  tool names from d* to blk* in TSK 3.
 -cleaned up the section on getting help (last page).  

Version 3.65
 -Switched to 2.6 kernel install in intro (Slackware 12.1).
 -Added brief section on device detection (by request).
 -updated details for recent versions of Linux tools.
 -updated Sleuthkit and libewf section to account for changes in install for
  TSK > 2.50 (autotools build design).
 -moved libewf before TSK to account for lib install.
 -added section on alternative imaging tools (dc3dd,ddrescue)
 -added dls exercises by request (TSK).
 -added brief exercise on sigfind (TSK).

Version 3.20
 -added compression on the fly exercise (for dd).
 -added dd over the wire (network acquisition).
 -added more detailed Sleuthkit section (commands)
 -added TSK NTFS exercises (ADS, deleted files,sorter)
 -added deleted file allocation determination and recovery exercise (TSK/EXT2)
 -removed support for Autopsy (I just don't use it anymore-I'll add it back if
   enough people request it).
 -added libewf section.
 -removed reference to NASA loopback (unsupported)
 -added SMART filtering section using NTFS (classroom exercise)
 -added SMART search section using EXT (classroom exercise).  
 -added section on configuring Slackware if a 2.6 kernel version is used (12.x).  
 
 Version 2.55 
 -added a changelog ;-)
 -Document is now Slackware centric
 -updated to Sleuthkit 2.0x (full disk images and split support)
 -updated to Autopsy 2.0x (for use with new TSK)
 -formatting changes for readability