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SerenityOS man pages
Section 1: User Programs (applets, applications, utilities, etc.)
Section 2: System Calls (getuid, mount, pledge, sendfd, etc.)
Section 3: Library Functions (basename, isatty, POSIX functions, etc.)
Section 4: Special Files (audio, mem, etc.)
Section 5: File Formats (getopt convention, Shell, SystemServer)
Section 6: Games (2048, Chess, FlappyBug, etc.)
Section 7: Miscellanea (mitigations, sys filesystem, SystemServer, etc.)
Section 8: Sysadmin Tools (dmesg, pls, sysctl, useradd, etc.)