--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/freebsd.rst	Mon Feb 22 12:46:36 2016 +0200
@@ -0,0 +1,36 @@
+.. -*- coding: utf-8; -*-
+.. include:: HEADER.rst
+
+============
+ FreeBSD OS
+============
+.. contents::
+   :local:
+
+User management
+===============
+
+Add existing user to group::
+
+  $ pw usermod user-name -G to-group
+
+Add a new user to group::
+
+  $ pw useradd jerry -G sales
+  $ passwd jerry
+
+FreeBSD ports
+=============
+
+Configure package::
+
+  $ sudo make config
+
+Build package::
+
+  $ sudo make
+
+Install package::
+
+  $ sudo make install
+