IT information on BSD (Berkeley Software Distribution, Berkeley Software Suite) is a Unix-derived systems, 1977-1995 and developed and published by University of California, Berkeley. Historically, BSD has been considered a branch of UNIX-"BSD UNIX", because it AT&T and UNIX operating systems to share the underlying code and design. Now, a version of the system PC-BSD developers and Lumina announced Ken Moore, author of the desktop environment, BSD release rename PC-BSD to True OS.

After renaming the system will use a rolling release mode, tracking FreeBSD's Current branch to BSD provide users with the latest technology and software. True OS will use security technology from OpenBSD, use LibreSSL instead of OpenSSL by default using the pkg package management system. Now True OS mirror of the first Beta has been released.

To desktop applications for the purpose of the PC-BSD is based on the FreeBSD operating system, installed PC-BSD default KDE desktop, which provides Linux compatibility mode, you can use the excellent media tool, Office software in Linux. Difference between PC-BSD and FreeBSD, the former mainly for the desktop, while the latter focuses on the server.

IT资讯讯 BSD（Berkeley Software Distribution，伯克利软件套件）是Unix的衍生系统，在1977至1995年间由加州大学伯克利分校开发和发布的。历史上， BSD曾经被认为是UNIX的一支 ——“BSD UNIX”, 因为它和AT&T UNIX操作系统共享基础代码和设计。如今，该系统的一个版本PC-BSD开发者和Lumina桌面环境的作者Ken Moore宣布，BSD发行版PC-BSD重命名为True OS。

重命名后的系统将采用滚动发布模式，跟踪FreeBSD的Current分支，向用户提供最新的BSD技术和软件。True OS将使用来自OpenBSD的安全技术，用LibreSSL替代OpenSSL，默认使用pkg包管理系统。目前True OS的第一个Beta镜像已经发布。

PC-BSD是基于FreeBSD的以桌面应用为目的的操作系统，PC-BSD默认安装KDE桌面，它提供Linux兼容模式，可以使用Linux中优秀的媒体工具、办公软件。PC-BSD与FreeBSD的区别在于，前者主要面向桌面，而后者主要针对服务器。