Every January, Linux Magazine surveys the state of the Linux kernel, bringing our readers up to date on what new kernel features and improvements to expect in the year ahead. For 2002, the crystal ball is cloudier than usual because at press time, work on Linux 2.5 has not yet begun. Nevertheless, some definite and tentative plans had come to light. We spoke with several key kernel developers to learn more about their plans and hopes for Linux 2.5.
The Linux 2.4 Kernel
The current version of the Linux kernel is 2.4, which was first released about one year ago. Most Linux distributions, including Red Hat 7.2, are now based on Linux 2.4. At press time, the fourteenth release of the Linux 2.4 kernel (2.4.14) had just been announced. The Linux 2.4 kernel introduced a variety of features. Among the most significant were:
Improved support for multiprocessor systems and systems with large amounts of RAM, facilitating enterprise use of Linux
Improved support for NFS 3, making Linux NFS more compatible with other NFS implementations
Support for network packet filtering, making it possible to build sophisticated Linux firewalls that protect systems and networks against unauthorized use
Support for framebuffer video, a simple and flexible interface between Linux and graphics adapters
Support for ACPI power management, which facilitates the use of Linux on portable PCs
Support for USB, making it possible to use a…
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