kmodule-dummy A dummy Linux-Kernel Module named 'dummydevice' build the module 'dummydevice' cd [your working directory] make install the module 'dummydevice' sudo insmod dummydevice.ko uninstall the module 'dummydevice' sudo rmmod dummydevice create a filesystem node for 'dummydevice' sudo mknod dummydevice c majornumber 0 check the node has been added successfully lsmod | grep dummydevice read from the device cat /dev/dummydevice write into the device "test" >> /dev/dummydevice