Unix Specific ServicesUnix特定服务¶
The modules described in this chapter provide interfaces to features that are unique to the Unix operating system, or in some cases to some or many variants of it. 本章中描述的模块提供了Unix操作系统特有功能的接口，或者在某些情况下提供了某些或多种变体的接口。Here’s an overview:以下是概述：
posix—The most common POSIX system calls最常见的POSIX系统调用pwd—The password database密码数据库grp—The group database组数据库termios—POSIX style tty controlPOSIX风格tty控件tty—Terminal control functions终端控制功能pty—Pseudo-terminal utilities伪终端实用程序fcntl—Thefcntlandioctlsystem callsfcntl和ioctl系统调用resource—Resource usage information资源使用信息syslog—Unix syslog library routinesUnix syslog库例程