Revert "reinit chpt4"

This reverts commit 5da1cc03707e1946fdb3cc9c88bf6f7c74de4c4f.
Revert "Initiate Chpt 4"

This reverts commit 33fb5a3932b650585c18f28736336917ea379462.
first branch commit
bootstrap into remfile
getting better!
awesome! it works
Finish chpt5