hi iam new to zbrush and this site 
i was wondering is there a way to link more than one sculpt (object)
together using zb like having a head object and a body object and linkin them together .
thx loads
jameel.
You can append one to the other as a new SubTool by using Tool>SubTool>Append. This allows you to manipulate them together, but divide and sculpt each part independently. So each part can have as many polygons as it needs without sacrificing performance.
If you’re talking about actually combining the meshes on a geometry level you would need to use Tool>Geometry>Insert Mesh for the first step. This combines both parts into the same SubTool. Then you’d need to use retopology to create a new combined topology over top, projecting details from the source model to the new one.
Depending on the polygon structure of the two models, it’s also possible to use retopology to weld two meshes together. That’s a bit complicated, though, and for it to work the two meshes would need to have edge points that match up well.