How to compy the update rules

Hi Espert's

Please go through the below scnerio:

1.Zabc is a cube which is updated by O1,O2,O3 and O4 Ods's

2.Zxyz is another cube which is upadated by O2 ODS.

In the spect provided there is requirement to copy all the update rules of Zabc to Zxyz.

Can any one explain how to go for it...?

Thanks in Advance.

Vassu.