You can copy the content of one folder to another using the following RSYNC syntax
rsync -a folder1/ folder2/
This will copy the content of folder1 into folder2. It will not create folder1 inside folder2
You can copy the content of one folder to another using the following RSYNC syntax
rsync -a folder1/ folder2/
This will copy the content of folder1 into folder2. It will not create folder1 inside folder2