ref: 1d1c8b7f5320788f9c0d9736b4519e1b8e33853d
dir: /sys/src/cmd/python/Doc/lib/libsomeos.tex/
\chapter{Optional Operating System Services}
\label{someos}
The modules described in this chapter provide interfaces to operating
system features that are available on selected operating systems only.
The interfaces are generally modeled after the \UNIX{} or \C{}
interfaces but they are available on some other systems as well
(e.g. Windows or NT). Here's an overview:
\localmoduletable