mv file2 /home/pete/Documents <===> can actually move a file to a different directory
mv file_1 file_2 /somedirectory <===> move more than one file
mv directory1 directory2 <===> You can rename directories
mv -i directory1 directory2 <===> So you can use the -i flag to prompt you before overwriting anything.
mv -b directory1 directory2 <===> Let’s say you did want to mv a file to overwrite the previous one. You can also make a backup of that file and it will just rename the old version with a ~