comp.os.linux.development.apps - join
Writing Linux applications, porting to Linux.
Low activity, 1803 subscribers, Usenet

comp.os.linux.embedded - join
Linux operating system on embedded hardware.
Low activity, 2069 subscribers, Usenet

linux.kernel - join
linux-kernel@vger.kernel.org (Moderated)
Low activity, 4342 subscribers, Usenet

nlo.lists.kernelnewbies - join
Discussion list for beginning (Linux) kernel programmers (Moderated)
Low activity, 559 subscribers, Usenet

comp.unix.programmer - join
Q&A for people programming under Unix.
Low activity, 3986 subscribers, Usenet

comp.programming.threads - join
All issues about multithreaded programming.
Low activity, 2560 subscribers, Usenet

fa.linux.kernel - join
Low activity, 954 subscribers, Usenet

comp.os.linux.hardware - join
Hardware compatibility with the Linux operating system.
Low activity, 1264 subscribers, Usenet

comp.os.linux.networking - join
Networking and communications under Linux.
Low activity, 3682 subscribers, Usenet

comp.os.linux.security - join
Security and the GNU/Linux Operating System.
Low activity, 1796 subscribers, Usenet