Linux Driver Programming: HelloWorld

Beginner-friendly for writing Linux drivers

/* 1. Compilation

Create a Makefile as follows:

obj-m := hello.o

2. Execute the following command:

make -C /lib/modules/2.6.23.1-42.fc8/build M=/sigma/document modules

3. Use the module:

insmod hello.ko >>> Insert into the kernel

lsmod | grep hello >>> Check if hello has been inserted

rmmod hello >>> Remove the hello module */