# Move a file from one place to another
mv ~/Desktop/foo.txt ~/Documents/foo.txt

# Move a file from one place to another and automatically overwrite if the destination file exists
# (This will override any previous -i or -n args)
mv -f ~/Desktop/foo.txt ~/Documents/foo.txt

# Move a file from one place to another but ask before overwriting an existing file
# (This will override any previous -f or -n args)
mv -i ~/Desktop/foo.txt ~/Documents/foo.txt

# Move a file from one place to another but never overwrite anything
# (This will override any previous -f or -i args)
mv -n ~/Desktop/foo.txt ~/Documents/foo.txt