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| <h2 class="chapter">31 System Configuration Parameters</h2> |
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| <p>The functions and macros listed in this chapter give information about |
| configuration parameters of the operating system—for example, capacity |
| limits, presence of optional POSIX features, and the default path for |
| executable files (see <a href="String-Parameters.html#String-Parameters">String Parameters</a>). |
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| <ul class="menu"> |
| <li><a accesskey="1" href="General-Limits.html#General-Limits">General Limits</a>: Constants and functions that describe |
| various process-related limits that have |
| one uniform value for any given machine. |
| <li><a accesskey="2" href="System-Options.html#System-Options">System Options</a>: Optional POSIX features. |
| <li><a accesskey="3" href="Version-Supported.html#Version-Supported">Version Supported</a>: Version numbers of POSIX.1 and POSIX.2. |
| <li><a accesskey="4" href="Sysconf.html#Sysconf">Sysconf</a>: Getting specific configuration values |
| of general limits and system options. |
| <li><a accesskey="5" href="Minimums.html#Minimums">Minimums</a>: Minimum values for general limits. |
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| <li><a accesskey="6" href="Limits-for-Files.html#Limits-for-Files">Limits for Files</a>: Size limitations that pertain to individual files. |
| These can vary between file systems |
| or even from file to file. |
| <li><a accesskey="7" href="Options-for-Files.html#Options-for-Files">Options for Files</a>: Optional features that some files may support. |
| <li><a accesskey="8" href="File-Minimums.html#File-Minimums">File Minimums</a>: Minimum values for file limits. |
| <li><a accesskey="9" href="Pathconf.html#Pathconf">Pathconf</a>: Getting the limit values for a particular file. |
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| <li><a href="Utility-Limits.html#Utility-Limits">Utility Limits</a>: Capacity limits of some POSIX.2 utility programs. |
| <li><a href="Utility-Minimums.html#Utility-Minimums">Utility Minimums</a>: Minimum allowable values of those limits. |
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| <li><a href="String-Parameters.html#String-Parameters">String Parameters</a>: Getting the default search path. |
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