The microcode
The oses
To deploy mainframes, you've most likely spent millions, sometime might even be hundreds of millions. In other words, money is not the problem. So why would someone ever risk getting into huge trouble by reverse engineering or cracking?
Curiousness
A challenge
There are sometimes second hand mainframes for sale on Ebay
To deploy mainframes, you've most likely spent millions, sometime might even be hundreds of millions. In other words, money is not the problem. So why would someone ever risk getting into huge trouble by reverse engineering or cracking?