This repository contains the recitation notes for Columbia's Operating Systems I class, COMSW4118, as taught by Jae Woo Lee. For information about the class, visit the course homepage.

These recitations are held every other week by the various TAs, generally using these notes/linked resources as the basis for their sections.

Issues, patches, and comments, especially by current and former students, are welcome.

• Note A: VM/kernel workflow setup, Linux source code navigators
• Note B: Sockets/TCP programming, server testing strategies
• Note C: Kernel configuration, compilation, and style
• Note D: Linux wait queue (hw5)
• Note E: Linux scheduler data structures, implementing a scheduler (hw6)
• Note F: Linux page table data structures, macros/functions (hw7)
• Note G: Linux page cache, implementing a file system (hw8)