FLEX (operating system)
| Developer | Technical Systems Consultants | 
|---|---|
| Working state | Discontinued | 
| Source model | Open source | 
| Initial release | 1976 | 
| Latest release | 2.0 / October 3, 1985 | 
| Available in | English | 
| Platforms | Motorola 6800, Motorola 6809 | 
| Kernel type | Monolithic | 
| Default user interface | Command-line interface | 
FLEX is a discontinued single-tasking operating system developed by Technical Systems Consultants (TSC) of West Lafayette, Indiana, for the Motorola 6800 in 1976.