36. Unix 专有服务
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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：

* 36.1. "posix" — The most common POSIX system calls

  * 36.1.1. Large File Support

  * 36.1.2. Notable Module Contents

* 36.2. "pwd" — The password database

* 36.3. "spwd" — The shadow password database

* 36.4. "grp" — The group database

* 36.5. "crypt" — Function to check Unix passwords

* 36.6. "dl" — Call C functions in shared objects

  * 36.6.1. Dl Objects

* 36.7. "termios" — POSIX style tty control

  * 36.7.1. 示例

* 36.8. "tty" — Terminal control functions

* 36.9. "pty" — Pseudo-terminal utilities

* 36.10. "fcntl" — The "fcntl" and "ioctl" system calls

* 36.11. "pipes" — Interface to shell pipelines

  * 36.11.1. Template Objects

* 36.12. "posixfile" — File-like objects with locking support

* 36.13. "resource" — Resource usage information

  * 36.13.1. Resource Limits

  * 36.13.2. Resource Usage

* 36.14. "nis" — Interface to Sun’s NIS (Yellow Pages)

* 36.15. "syslog" — Unix syslog library routines

  * 36.15.1. 示例

    * 36.15.1.1. Simple example

* 36.16. "commands" — Utilities for running commands
