You may not have permissions to uninitialize ("unmount") the device. On UNIX systems, system administrator privileges are often required to uninitialize a device.
Mooglik beskikke jo net oer de fereaske tagongsrjochten om it apparaat fan it triemsysteem ôf te keppeljen ("unmount"). Op UNIX- systemen is it brûkme dat de privileezjes fan de systeembehearder nedich binne om in triemsysteem ôf te keppeljen.