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8. 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. Here's an overview:
| posix | The most common POSIX system calls (normally used via module os). |
| pwd | The password database (getpwnam() and friends). |
| grp | The group database (getgrnam() and friends). |
| crypt | The crypt() function used to check Unix passwords. |
| dl | Call C functions in shared objects. |
| dbm | The standard ``database'' interface, based on ndbm. |
| gdbm | GNU's reinterpretation of dbm. |
| termios | POSIX style tty control. |
| TERMIOS | Symbolic constants required to use the termios module. |
| tty | Utility functions that perform common terminal control operations. |
| pty | Pseudo-Terminal Handling for SGI and Linux. |
| fcntl | The fcntl() and ioctl() system calls. |
| pipes | A Python interface to Unix shell pipelines. |
| posixfile | A file-like object with support for locking. |
| resource | An interface to provide resource usage information on the current process. |
| nis | Interface to Sun's NIS (a.k.a. Yellow Pages) library. |
| syslog | An interface to the Unix syslog library routines. |
| commands | Utility functions for running external commands. |
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Python Library Reference | |
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Release 2.1.3, documentation updated on April 8, 2002.