Android adb shell df gets U disk path

Android adb shell df gets U disk path

C:\Users\Administrator>adb shell
marconi:/ $ su
marconi:/ #
marconi:/ # df
Filesystem                 1K-blocks   Used Available Use% Mounted on
/dev/root                    1290112 820032    470080  64% /
tmpfs                        1027516    468   1027048   1% /dev
tmpfs                        1027516      0   1027516