Thanks @kamil. I don't know how, but `eject` was not installed. But previously I have many a times used to eject the USB drive directly from my file manager. Anyway, I have installed `eject,` and now everything works
Thanks @kamil. I don't know how, but `eject` was not installed. But previously I have many a times used to eject the USB drive directly from my file manager. Anyway, I have installed `eject,` and now everything works