MISO-J is a file appending utility which is able to join multiple files in a single one. For example, 001.txt + 002.txt + 003.txt --> output.txt, or Converted multiple segment image files are groups of "xxx.mds, xxx.I00, xxx.I01, xxx.I02" or "xxx.mds, xxx.mdf, xxx.md0, xxx.md1" to ISO image. The operation is easy, we just drag and drop these files (MDS, MDF, MD0, MD1...) into table view of MISO-J.