Linux Concluded

1)Very much basics of Operating system. I feel its best to glance these once, to refresh the learning done.
http://www.techinterviews.com/?p=170

2) Threads demystified
Linux threads FAQ
http://pauillac.inria.fr/~xleroy/linuxthreads/faq.html

Posix threads tutorial with example
http://www.yolinux.com/TUTORIALS/LinuxTutorialPosixThreads.html

Thread with java .. Find FAQ here
http://www.jguru.com/faq/Linux

Programming with POSIX threads
http://www.llnl.gov/computing/tutorials/pthreads/

Debugging posix threads, use simple two files debug.c and debug.h listed here http://www.humanfactor.com/pthreads/debugging.html

3)Find the linux documentation at
http://www.linux.org/docs/