copy /b file1.file+file2.file+file3.file completefile.file under windows command line and I believe it was cat for linux (linux command line is not my strongpoint but here should help:
http://osr507doc.sco.com/en/OSTut/Joining_...s_together.html ).
However:
1,459,978,240bytes is the size of a cube iso, wii should be more:
Quote stolen from
http://gbatemp.net/index.php?showtopic=43289
If it's 4 699 979 776 bytes, it's unscrambled.
If it's 4 700 012 544 bytes, it's unscrambled with unscrambler 0.4 which adds an extra 32 768 bytes to the file (JESUS release)
If it's 4 736 698 368 bytes, it's in raw format and must be unscrambled.