For years, the Linux community awaited a 4th Edition to update the 3rd Edition’s coverage of the 2.6.10 kernel. However, the authors and publisher have indicated there are no active plans for this release.
: Instead of a 4th edition, developers rely on the Linux Kernel Documentation and community-maintained GitHub repositories. Where to Find Valid Resources Linux Device Drivers 4th Edition Pdf Github
Since the official series ended, other authors have published comprehensive guides that cover modern kernel versions (4.x, 5.x, and 6.x). If you are looking for current "4th Edition" style content, these are the primary recommendations: For years, the Linux community awaited a 4th