ref: 0da9e3a7f508a0b47fa71abc3585066100c6ccbf
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