1 2.. _someos: 3 4********************************** 5Optional Operating System Services 6********************************** 7 8The modules described in this chapter provide interfaces to operating system 9features that are available on selected operating systems only. The interfaces 10are generally modeled after the Unix or C interfaces but they are available on 11some other systems as well (e.g. Windows or NT). Here's an overview: 12 13 14.. toctree:: 15 16 select.rst 17 threading.rst 18 thread.rst 19 dummy_threading.rst 20 dummy_thread.rst 21 multiprocessing.rst 22 mmap.rst 23 readline.rst 24 rlcompleter.rst 25