Man Page Sections
Linux man pages are divided into sections by type. Each section covers a different category of documentation.
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Section 1User Commands Executable programs and shell commands available to all users. 32987 pages
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Section 2System Calls System calls provided by the Linux kernel. 1283 pages
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Section 3Library Functions Library functions, including standard C library functions. 32804 pages
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Section 4Special Files Device files and special files found in /dev. 102 pages
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Section 5File Formats & Conventions File formats, configuration files, and conventions. 2357 pages
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Section 6Games & Screensavers Games, screensavers, and other entertaining programs. 1041 pages
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Section 7Miscellaneous Miscellaneous documentation including standards and conventions. 1557 pages
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Section 8System Administration Commands for system administration, typically requiring root. 5815 pages
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Section 9Kernel Routines Kernel routines and internal interfaces. 189 pages