MOUNT U disk and could not help show UMOUNT total DEVICE IS BUSY Signal RT U disk practical operation after completion of the process MOUNT UMOUNT then want to promote USB Flash Disk But not always UMOUNT always show DEVICE IS BUSY Signal confirmed that no window or operation of the U-disk loading point for a tour UMOUNT re landing is not already available or not. . . Ask is how we promote the safety of U disk? ? MOUNT U disk and could not help show UMOUNT total DEVICE IS BUSY Signal --> There are two methods : 1. 1.#fuser /mnt/usb m (U loading your plate) to find out the procedure in the process and then kill off 2. /mnt/usb Again #umount On the 2. You can compel umount #umount-F /mnt/usb On the mandatory umout MOUNT U disk and could not help show UMOUNT total DEVICE IS BUSY Signal Solved Thanks to the way upstairs MOUNT U disk and could not help show UMOUNT total DEVICE IS BUSY Signal , I learn with a :) [ Closed window ]