This is the top level of the FreeBSD source directory.  This file
    was last revised on:
    $FreeBSD: releng/11.4/README 329145 2018-02-12 01:08:44Z kevans $
    For copyright information, please see the file COPYRIGHT in this
    directory (additional copyright information also exists for some
    sources in this tree - please see the specific source directories for
    more information).
    The Makefile in this directory supports a number of targets for
    building components (or all) of the FreeBSD source tree.  See build(7)
    for more information, including setting make(1) variables.
    The `buildkernel` and `installkernel` targets build and install
    the kernel and the modules (see below).  Please see the top of
    the Makefile in this directory for more information on the
    standard build targets and compile-time flags.
    Building a kernel is a somewhat more involved process.  See build(7), config(8),
    for more information.
    Note: If you want to build and install the kernel with the
    `buildkernel` and `installkernel` targets, you might need to build
    world before.  More information is available in the handbook.
    The kernel configuration files reside in the sys/<arch>/conf
    sub-directory.  GENERIC is the default configuration used in release builds.
    NOTES contains entries and documentation for all possible
    devices, not just those commonly used.
    Source Roadmap:
    bin		System/user commands.
    cddl		Various commands and libraries under the Common Development
    		and Distribution License.
    contrib		Packages contributed by 3rd parties.
    crypto		Cryptography stuff (see crypto/README).
    etc		Template files for /etc.
    gnu		Various commands and libraries under the GNU Public License.
    		Please see gnu/COPYING* for more information.
    include		System include files.
    kerberos5	Kerberos5 (Heimdal) package.
    lib		System libraries.
    libexec		System daemons.
    release		Release building Makefile & associated tools.
    rescue		Build system for statically linked /rescue utilities.
    sbin		System commands.
    secure		Cryptographic libraries and commands.
    share		Shared resources.
    stand		Boot loader sources.
    sys		Kernel sources.
    tests		Regression tests which can be run by Kyua.  See tests/README
    		for additional information.
    tools		Utilities for regression testing and miscellaneous tasks.
    usr.bin		User commands.
    usr.sbin	System administration commands.
    For information on synchronizing your source tree with one or more of
    the FreeBSD Project's development branches, please see:





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