Answer:
xcopy
Explanation:
xcopy (which stands for extended copy) command, was created to have several functions and ability to copy one or more folders, files or an entire directory from one location to another. It is more powerful than copy command that was seen in the first set of operating systems. It is currently being built into desktop operating systems and Microsoft windows server.
System crashes, viruses and fragmented file systems are hallmarks of Windows systems, but your teacher is probably looking for Hard Drive for the answer.
