Unix-specific services

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. Heres an overview:

• shlex Simple lexical analysis
  • shlex Objects
  • Parsing Rules
  • Improved Compatibility with Shells
• posix The most common POSIX system calls
  • Large File Support
  • Notable Module Contents
• pwd The password database
• grp The group database
• termios POSIX style tty control
  • Example
• tty Terminal control functions
• pty Pseudo-terminal utilities
  • Example
• fcntl The fcntl and ioctl system calls
• resource Resource usage information
  • Resource Limits
  • Resource Usage
• syslog Unix syslog library routines
  • Examples
    • Simple example