MoDOS was a replacement of Amsdos and included a new file system called "Prem". Prem formatted 40 track discs with a capacity of 212KB (instead of 178KB). Similiar to the FAT format it was able to handle sub directories inside an unlimited tree structure.
[[Image:stream2 1.png|thumb|320px|Stream2 can work with both Amsdos and MosDOS formatted disks. Left coloum shows a MoDOS formated disc(In drive A), while right coloum shows a Amsdos formatted disc(In drive B]]
== x-Plain ==