Which is better technically - OBIA on Linux or Windows? in terms of performance, capability, restrictions or other features. is there any advantage using Linux OS platform otherwise would be comfortable working with Windows
Yes*
No*
* Delete as appropriate.
Seriously -- if it's certified, then it's fine to run. This kind of thing would almost always come down to existing infrastructure preferences & skillsets.
Performance-wise, in 99.99% of cases, your problem is not going to be the OS, it's going to be how you implement the software that you run on it.