Unix-specific services¶
The modules described in this chapter provide interfaces to features that areunique to the Unix operating system, or in some cases to some or many variantsof it. Here’s an overview:
shlex— Simple lexical analysisposix— The most common POSIX system callspwd— The password databasegrp— The group databasetermios— POSIX style tty controltty— Terminal control functionspty— Pseudo-terminal utilitiesfcntl— Thefcntlandioctlsystem callsresource— Resource usage informationsyslog— Unix syslog library routines