# Theory This chapter describes various theoretical concepts and concepts which are not directly related to practice but useful to know. * [Paging](https://proninyaroslav.gitbooks.io/linux-insides-ru/content/Theory/Paging.html) * [Elf64 format](https://proninyaroslav.gitbooks.io/linux-insides-ru/content/Theory/ELF.html) * [Inline assembly](https://proninyaroslav.gitbooks.io/linux-insides-ru/content/Theory/asm.html)