1 This is the top level of the FreeBSD source directory. This file
5 FreeBSD is an operating system used to power modern servers,
6 desktops, and embedded platforms. A large community has
7 continually developed it for more than thirty years. Its
8 advanced networking, security, and storage features have
9 made FreeBSD the platform of choice for many of the
10 busiest web sites and most pervasive embedded networking
13 For copyright information, please see the file COPYRIGHT in this
14 directory. Additional copyright information also exists for some
15 sources in this tree - please see the specific source directories for
18 The Makefile in this directory supports a number of targets for
19 building components (or all) of the FreeBSD source tree. See build(7), config(8),
20 https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and
21 https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
22 for more information, including setting make(1) variables.
27 bin System/user commands.
29 cddl Various commands and libraries under the Common Development
30 and Distribution License.
32 contrib Packages contributed by 3rd parties.
34 crypto Cryptography stuff (see crypto/README).
36 etc Template files for /etc.
38 gnu Various commands and libraries under the GNU Public License.
39 Please see gnu/COPYING* for more information.
41 include System include files.
43 kerberos5 Kerberos5 (Heimdal) package.
47 libexec System daemons.
49 release Release building Makefile & associated tools.
51 rescue Build system for statically linked /rescue utilities.
55 secure Cryptographic libraries and commands.
57 share Shared resources.
59 stand Boot loader sources.
63 sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
64 used in release builds. NOTES contains documentation of
67 tests Regression tests which can be run by Kyua. See tests/README
68 for additional information.
70 tools Utilities for regression testing and miscellaneous tasks.
72 usr.bin User commands.
74 usr.sbin System administration commands.
77 For information on synchronizing your source tree with one or more of
78 the FreeBSD Project's development branches, please see:
80 https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html