1.
At the command prompt, that is PRIOR to entering ex menu you'd enter ex ezcopy
Like so:
ex ezcopy
Then the menus talk you through the rest.
2.
Enter to get the next page.
3.
Then enter the name of whomever you wish to copy from. In this example HMCCJS1
ENTER
***
4.
Again once you see the three asterisks....the mainframe's way of saying ENTER
Then you will see the library
5.
To select the focexec you need to copy, place an S in the far left column.