Linux Kernel Module which greets a user via a proc file. Inspired by procfs2.c
from The Linux Kernel Module Programming Guide.
$ sudo insmod greeter.ko
$ sudo dmesg | tail -2
[ 1436.617218] Hello World.
[ 1436.617223] /proc/greetme created
$ sudo cat /proc/greetme
Hello World!
$ echo -n "James" | sudo tee /proc/greetme
James%
$ sudo cat /proc/greetme
Hello James!makesudo insmod greeter.kosudo rmmod greeter.ko