linux make a copy of a folder in another foldedr

cp -R source_dir destination_dir
#example
cp -R /etc /etc_backup

cp -R dir1 dir2

cp -R source_dir destination_dir

$ cp -R <source_folder_1> <source_folder_2> ... <source_folder_n>  <destination_folder>

$ scp -r <source_folder> <destination_user>@<destination_host>:<path>

$ cp -R <source_folder>/* <destination_folder>