additional note: 


File:24319102.PDF : old intel stuff
File:bgnet_usl_c_1.pdf : network programming in C, socket, bind, accept, SOCK_DGRAM etc stuff
File:mt.pdf : Mersenne Twister PRNG algorithm explained
File:pcasm-book.pdf : asm book
File:project1-primer (DNS message structure).pdf : introduce how dns are packet and sent throuh UDP