Linux Kernel Modules

This repo contains some very basic linux kernel modules to illustrate the basic concepts of kernel programming.

Reference: The LKM programming Guide.

1. Basic Hello World Module.
2. Usage of __init & __exit macros.
3. Module Licensing and Documentation.
4. Module Parameters.
5. Simple Character Device Driver.
6. /proc File System Module.
7. /proc using Standard File System.
8. Managing procfs with seq_file.
9. IOCTL (Input/Output ConTroL).

Tracing syscalls while executing a program:

strace <prg-name> <args>

Some useful StackOverflow Threads:

1. proc_root
2. Using newer Kernel APIs
3. create_proc_entry() alternative

Courses on Basic Linux Kernel Development

1. A Beginners Guide to Linux Kernel Development (Linux Foundation)