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17 | <title>8. Unix Specific Services</title> | |
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55 | <H1><A NAME="SECTION0010000000000000000000"></A> | |
56 | <A NAME="unix"></A> | |
57 | <BR> | |
58 | 8. Unix Specific Services | |
59 | </H1> | |
60 | ||
61 | <P> | |
62 | The modules described in this chapter provide interfaces to features | |
63 | that are unique to the <span class="Unix">Unix</span> operating system, or in some cases to | |
64 | some or many variants of it. Here's an overview: | |
65 | ||
66 | <P> | |
67 | <table class='synopsistable' valign='baseline'> | |
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69 | <td><b><tt class='module'><a href='module-posix.html'>posix</a></tt></b></td> | |
70 | <td> </td> | |
71 | <td class='synopsis'>The most common POSIX system calls (normally used | |
72 | via module <tt class="module"><a href="module-os.html">os</a></tt>).</td></tr> | |
73 | <tr><td><b><tt class='module'><a href='module-pwd.html'>pwd</a></tt></b></td> | |
74 | <td> </td> | |
75 | <td class='synopsis'>The password database (<tt class="function">getpwnam()</tt> and friends).</td></tr> | |
76 | <tr class='oddrow'> | |
77 | <td><b><tt class='module'><a href='module-grp.html'>grp</a></tt></b></td> | |
78 | <td> </td> | |
79 | <td class='synopsis'>The group database (<tt class="function">getgrnam()</tt> and friends).</td></tr> | |
80 | <tr><td><b><tt class='module'><a href='module-crypt.html'>crypt</a></tt></b></td> | |
81 | <td> </td> | |
82 | <td class='synopsis'>The <tt class="cfunction">crypt()</tt> function used to check | |
83 | <span class="Unix">Unix</span> passwords.</td></tr> | |
84 | <tr class='oddrow'> | |
85 | <td><b><tt class='module'><a href='module-dl.html'>dl</a></tt></b></td> | |
86 | <td> </td> | |
87 | <td class='synopsis'>Call C functions in shared objects.</td></tr> | |
88 | <tr><td><b><tt class='module'><a href='module-dbm.html'>dbm</a></tt></b></td> | |
89 | <td> </td> | |
90 | <td class='synopsis'>The standard ``database'' interface, based on ndbm.</td></tr> | |
91 | <tr class='oddrow'> | |
92 | <td><b><tt class='module'><a href='module-gdbm.html'>gdbm</a></tt></b></td> | |
93 | <td> </td> | |
94 | <td class='synopsis'>GNU's reinterpretation of dbm.</td></tr> | |
95 | <tr><td><b><tt class='module'><a href='module-termios.html'>termios</a></tt></b></td> | |
96 | <td> </td> | |
97 | <td class='synopsis'>POSIX style tty control.</td></tr> | |
98 | <tr class='oddrow'> | |
99 | <td><b><tt class='module'><a href='module-tty.html'>tty</a></tt></b></td> | |
100 | <td> </td> | |
101 | <td class='synopsis'>Utility functions that perform common terminal control | |
102 | operations.</td></tr> | |
103 | <tr><td><b><tt class='module'><a href='module-pty.html'>pty</a></tt></b></td> | |
104 | <td> </td> | |
105 | <td class='synopsis'>Pseudo-Terminal Handling for SGI and Linux.</td></tr> | |
106 | <tr class='oddrow'> | |
107 | <td><b><tt class='module'><a href='module-fcntl.html'>fcntl</a></tt></b></td> | |
108 | <td> </td> | |
109 | <td class='synopsis'>The <tt class="function">fcntl()</tt> and <tt class="function">ioctl()</tt> system calls.</td></tr> | |
110 | <tr><td><b><tt class='module'><a href='module-pipes.html'>pipes</a></tt></b></td> | |
111 | <td> </td> | |
112 | <td class='synopsis'>A Python interface to <span class="Unix">Unix</span> shell pipelines.</td></tr> | |
113 | <tr class='oddrow'> | |
114 | <td><b><tt class='module'><a href='module-posixfile.html'>posixfile</a></tt></b></td> | |
115 | <td> </td> | |
116 | <td class='synopsis'>A file-like object with support for locking.</td></tr> | |
117 | <tr><td><b><tt class='module'><a href='module-resource.html'>resource</a></tt></b></td> | |
118 | <td> </td> | |
119 | <td class='synopsis'>An interface to provide resource usage information on | |
120 | the current process.</td></tr> | |
121 | <tr class='oddrow'> | |
122 | <td><b><tt class='module'><a href='module-nis.html'>nis</a></tt></b></td> | |
123 | <td> </td> | |
124 | <td class='synopsis'>Interface to Sun's NIS (Yellow Pages) library.</td></tr> | |
125 | <tr><td><b><tt class='module'><a href='module-syslog.html'>syslog</a></tt></b></td> | |
126 | <td> </td> | |
127 | <td class='synopsis'>An interface to the <span class="Unix">Unix</span> syslog library routines.</td></tr> | |
128 | <tr class='oddrow'> | |
129 | <td><b><tt class='module'><a href='module-commands.html'>commands</a></tt></b></td> | |
130 | <td> </td> | |
131 | <td class='synopsis'>Utility functions for running external commands.</td></tr> | |
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169 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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