Copy foo.txt
from /path/to/source/
to /path/to/target/folder/
cp /path/to/source/foo.txt /path/to/target/folder/
Copy foo.txt
from /path/to/source/
to /path/to/target/folder/
into a file called bar.txt
cp /path/to/source/foo.txt /path/to/target/folder/bar.txt