The "copy" command will copy the indicated file, and make the replica file where you designate.
A command-line interface (CLI) is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines). The program which handles the interface is called a command-line interpreter or command-line processor.
Most operating systems implement a command-line interface in a shell for interactive access to operating system functions or services. Such access was primarily provided to users by computer terminals …