I tried to create a new dirctory named rtl8192cu, I got the message that the opeation not permitted
root@swi-mdm9x15:~# mkdir /sys/bus/usb/drivers/rtl8192cu
mkdir: can’t create directory ‘/sys/bus/usb/drivers/rtl8192cu’: Operation not permitted
root@swi-mdm9x15:~#
What is wrong?