- UNIX® V7 - the mark for systems conforming to version 4 of the Single UNIX Specification.
Download a copy of X/Open Curses Issue 7(free pdf, registration required)Download the Authorized Guide to the Single UNIX Specification Version 4 (free pdf, registration required).
Extracts from the Authorized Guide:
- Interface Tables(pdf)
- Migration Guide(pdf)
Certification Standard: UNIX V7:Read the Standard