Some examples 1. Hello world [C] - Just printf('Hello world') in C. 2. Merge sort for files [C] - Read / write files, merge sort. 3. Boot hello [nasm] - Read 2nd hdd sector from 1st sector. 4. Boot and run protected mode [nasm] - Prepare idt, gdt and turning on PM. 5. Cache speed [C][Bash] - Benchmarks, - volatile, - using affinity mask for processes. 6. Loader (change default INT to custom); Call asm from C [nasm][C] - #4 with changing default interrupt, - define global asm function and call it from C. 7. Show which files changed [Bash] - Just another bash script. 8. Catch SIG [C] - Linux signal example. 9. MultiThread Life. One thread for calc, one thread for print [C] - Using threads. 10. Client-server Life via TCP [C] - Using TCP sockets. 11. Dekker lock (critical section) [C] - Using Dekker lock for protecting critical section. 12. Dekker lock with mfence [C] - Fix #11 to prevent caching. 13. Using sys select [C] - sys/select example. 14. Crypt [nasm][perl] - GOST 34.10-94 in nasm (slow sign). - Crypto encode with weak encode on demaind. - Crypto encode with backdoor. - Safe game without 3rd part server. - Crypto encoded broadcast/multicast(!) chat. 15. Sea Wars [tasm] - Game for DOS with network support (using COM-port).