> For the complete documentation index, see [llms.txt](https://0xax.gitbook.io/linux-insides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://0xax.gitbook.io/linux-insides/summary.md). # Summary - [Booting](https://0xax.gitbook.io/linux-insides/summary/booting.md) - [From bootloader to kernel](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-1.md) - [First steps in the kernel setup code](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-2.md) - [Video mode initialization and transition to protected mode](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-3.md) - [Transition to 64-bit mode](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-4.md) - [Kernel decompression](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-5.md) - [Kernel load address randomization](https://0xax.gitbook.io/linux-insides/summary/booting/linux-bootstrap-6.md) - [Initialization](https://0xax.gitbook.io/linux-insides/summary/initialization.md) - [First steps in the kernel](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-1.md) - [Early interrupts handler](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-2.md) - [Last preparations before the kernel entry point](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-3.md) - [Kernel entry point](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-4.md) - [Continue architecture-specific boot-time initializations](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-5.md) - [Architecture-specific initializations, again...](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-6.md) - [End of the architecture-specific initializations, almost...](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-7.md) - [Scheduler initialization](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-8.md) - [RCU initialization](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-9.md) - [End of initialization](https://0xax.gitbook.io/linux-insides/summary/initialization/linux-initialization-10.md) - [Interrupts](https://0xax.gitbook.io/linux-insides/summary/interrupts.md) - [Introduction](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-1.md) - [Start to dive into interrupts](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-2.md) - [Interrupt handlers](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-3.md) - [Initialization of non-early interrupt gates](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-4.md) - [Implementation of some exception handlers](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-5.md) - [Handling Non-Maskable interrupts](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-6.md) - [Dive into external hardware interrupts](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-7.md) - [Initialization of external hardware interrupts structures](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-8.md) - [Softirq, Tasklets and Workqueues](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-9.md) - [Last part](https://0xax.gitbook.io/linux-insides/summary/interrupts/linux-interrupts-10.md) - [System calls](https://0xax.gitbook.io/linux-insides/summary/syscall.md) - [Introduction to system calls](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-1.md) - [How the Linux kernel handles a system call](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-2.md) - [vsyscall and vDSO](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-3.md) - [How the Linux kernel runs a program](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-4.md) - [Implementation of the open system call](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-5.md) - [Limits on resources in Linux](https://0xax.gitbook.io/linux-insides/summary/syscall/linux-syscall-6.md) - [Timers and time management](https://0xax.gitbook.io/linux-insides/summary/timers.md) - [Introduction](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-1.md) - [Clocksource framework](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-2.md) - [The tick broadcast framework and dyntick](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-3.md) - [Introduction to timers](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-4.md) - [Clockevents framework](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-5.md) - [x86 related clock sources](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-6.md) - [Time related system calls](https://0xax.gitbook.io/linux-insides/summary/timers/linux-timers-7.md) - [Synchronization primitives](https://0xax.gitbook.io/linux-insides/summary/syncprim.md) - [Introduction to spinlocks](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-1.md) - [Queued spinlocks](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-2.md) - [Semaphores](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-3.md) - [Mutex](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-4.md) - [Reader/Writer semaphores](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-5.md) - [SeqLock](https://0xax.gitbook.io/linux-insides/summary/syncprim/linux-sync-6.md) - [Memory management](https://0xax.gitbook.io/linux-insides/summary/mm.md) - [Memblock](https://0xax.gitbook.io/linux-insides/summary/mm/linux-mm-1.md) - [Fixmaps and ioremap](https://0xax.gitbook.io/linux-insides/summary/mm/linux-mm-2.md) - [kmemcheck](https://0xax.gitbook.io/linux-insides/summary/mm/linux-mm-3.md) - [Cgroups](https://0xax.gitbook.io/linux-insides/summary/cgroups.md) - [Introduction to Control Groups](https://0xax.gitbook.io/linux-insides/summary/cgroups/linux-cgroups-1.md) - [Kernel mechanisms](https://0xax.gitbook.io/linux-insides/summary/concepts.md) - [Per-CPU variables](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-1.md) - [Cpumasks](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-2.md) - [The initcall mechanism](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-3.md) - [Notification Chains](https://0xax.gitbook.io/linux-insides/summary/concepts/linux-cpu-4.md) - [Data Structures in the Linux Kernel](https://0xax.gitbook.io/linux-insides/summary/datastructures.md) - [Doubly linked list](https://0xax.gitbook.io/linux-insides/summary/datastructures/linux-datastructures-1.md) - [Radix tree](https://0xax.gitbook.io/linux-insides/summary/datastructures/linux-datastructures-2.md) - [Bit arrays](https://0xax.gitbook.io/linux-insides/summary/datastructures/linux-datastructures-3.md) - [x86 fundamentals](https://0xax.gitbook.io/linux-insides/summary/x86.md) - [Paging](https://0xax.gitbook.io/linux-insides/summary/x86/linux-x86-1.md) - [Interrupt Descriptor Table](https://0xax.gitbook.io/linux-insides/summary/x86/linux-x86-2.md) - [Toolchain and binaries](https://0xax.gitbook.io/linux-insides/summary/toolchain.md) - [How the kernel is compiled](https://0xax.gitbook.io/linux-insides/summary/toolchain/linux-toolchain-1.md) - [Linkers](https://0xax.gitbook.io/linux-insides/summary/toolchain/linux-toolchain-2.md) - [Executable and Linkable Format](https://0xax.gitbook.io/linux-insides/summary/toolchain/linux-toolchain-3.md) - [Inline assembly](https://0xax.gitbook.io/linux-insides/summary/toolchain/linux-toolchain-4.md) - [Program startup process in userspace](https://0xax.gitbook.io/linux-insides/summary/toolchain/linux-toolchain-5.md) - [Initial ram disk](https://0xax.gitbook.io/linux-insides/summary/initial-ram-disk.md) - [Contributing to the Linux kernel](https://0xax.gitbook.io/linux-insides/summary/linux-contributing-1.md) - [Useful links](https://0xax.gitbook.io/linux-insides/summary/links.md) - [Contributors](https://0xax.gitbook.io/linux-insides/summary/contributors.md)