While it is easy to take Software Update for granted, there are actually a few options you can choose and methods of delaying, ignoring or finding out more about the updates. You can also manually download most Apple updates.
No. Updates will replace the parts of the OS that are updated. In some cases you may actually save space as parts that are updated are smaller (more optimized). But you should do each update.
Software update should be in a recommended mode.
will accepting updates gradually fill up the h-disk?
No. Updates will replace the parts of the OS that are updated. In some cases you may actually save space as parts that are updated are smaller (more optimized). But you should do each update.