I am going to format my Sony External Memory Card Card Name in My Linux System : /media/PHONE CARD 1. Login with root mode or switch to su root@antony# sudo su [sudo] password for anthoniraj: 2. Check the device name of the USB using fdisk or mount commandroot@antony# mount/dev/sda1 on / type ext3 (rw,errors=remount-ro)proc on [...]