Copyright and distribution
Proprietary freeware binaries; private operating-system source code.
Copyright
All rights reserved (C) 2026 Papadopol Lucian-Ioan l.i.papadopol@gmail.com
Binary distribution policy
MK90/Unix is distributed as proprietary freeware. The official compiled binaries are provided free of charge for use.
The operating-system source code remains private and is not included in the public distribution. No open-source license is granted. All rights not expressly granted by the copyright holder are reserved.
The public release package contains the compiled ROM and its documentation. BASIC examples in the manual illustrate application syntax and are not the source code of the operating system.
Permissions and contact
For redistribution, bundling or other permissions beyond free-of-charge use, contact Papadopol Lucian-Ioan at l.i.papadopol@gmail.com.