with Unix Version 7, i.e., a number of Unix tools and applications could be ported to UniFLEX - if size allowed: Unix on a PDP-11 limited executables to 64 kB of code and another 64 kB of data, while the UniFLEX limitation was approximately 56 kB for both, code and data together. Not much application software was available for UniFLEX. Ports of the Dynacalc spreadsheet and the Stylograph word processor from the FLEX operating system existed but only very few copies were sold. In the mid 1980s a successor version for the Motorola 68000 was announced. Though it removed the pressing space limitations, it was not commercially successful because it had to compete with source-code ports of original Unix. The source code for UniFLEX and supporting software is available on the Internet. In the Netherlands, UniFLEX users ported a fair number of Unix utilities to UniFLEX. Also they modified some kernel code that give foreground processes preference over background processes accessing disk and that gave a major improvement in user experience. One of the TSC guys, Dan Vanada, later started his company "Scintillex Software". Its products were, for example, utilities that allowed transfer of data between UniFLEX and MS-DOS and vice versa, as well DOS format utilities, and a code patch utility. See also OS-9 References External links The Missing 6809 UniFLEX Archive A UniFLEX compatible system on Eurocards Unix variants Assembly language software Discontinued operating systems