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Linux Internals 01 - Operating System Overview
What an operating system does and the role of the Linux kernel
Lectures
All posts in the Lectures
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Linux Internals 02 - Processes and Threads
How processes are created and managed in Linux, and how threads relate to them
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Linux Internals 03 - Process Scheduling
How the Linux kernel distributes CPU time among processes and how CFS works
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Linux Internals 04 - Memory Management
The concept of virtual memory and how the Linux kernel manages memory
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Linux Internals 05 - File Systems
How VFS, inodes, and ext4 work in the world where everything is a file
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Linux Internals 06 - System Calls and the Kernel
How a system call transitions from user space to kernel space, and how kernel modules work
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Linux Internals 07 - I/O and Devices
From block and character devices to I/O schedulers, DMA, and the page cache
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Linux Internals 08 - Synchronization and Concurrency
The problems that arise when multiple execution flows access shared resources, and the synchronization mechanisms in the Linux kernel
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Linux Internals 09 - Networking
The Linux kernel networking stack and how a packet travels from NIC to application