Unix 专有服务

本章描述的模块提供了 Unix 操作系统独有特性的接口，在某些情况下也适用于它的某些或许多衍生版。 以下为模块概览：

• posix --- The most common POSIX system calls
  • Large File Support
  • Notable Module Contents
• pwd --- The password database
• spwd --- The shadow password database
• grp --- The group database
• crypt --- Function to check Unix passwords
  • Hashing Methods
  • Module Attributes
  • Module Functions
  • 示例
• termios --- POSIX style tty control
  • 示例
• tty --- Terminal control functions
• pty --- Pseudo-terminal utilities
  • 示例
• fcntl --- The fcntl and ioctl system calls
• pipes --- Interface to shell pipelines
  • Template Objects
• resource --- Resource usage information
  • Resource Limits
  • Resource Usage
• nis --- Interface to Sun's NIS (Yellow Pages)
• syslog --- Unix syslog library routines
  • 示例
    • Simple example