mv command performs both file moving and file renaming, depending on how it is used. In either case, the original filename no longer exists after the operation.
mv is used in much the same way as
mv item1 item2
to move or rename file or directory item1 to item2 or
to move one or more items from one directory to another.
Table 4-6. mv Options
Before overwriting an existing file, prompt the user for confirmation. If this option is not specified,
When moving files from one directory to another, move only files that either don’t exist in the destination ...