This happens on slower USB devices the data is buffered and the write won’t be complete right away. You can use the “sync” command and wait until it completes to make sure it’s done before you unmount the device. These days KDE shouldn’t let you unmount before it’s done though.
This happens on slower USB devices the data is buffered and the write won’t be complete right away. You can use the “sync” command and wait until it completes to make sure it’s done before you unmount the device. These days KDE shouldn’t let you unmount before it’s done though.