OpenBSD is a free, BSD, other derivatives, known as the world's most secure operating system. OpenBSD's home page (www. openbsd.org) reported that OpenBSD "in case of default installation of four years without a minor security flaw", it means that (in fact, everyone knows that) in the past four years, the OpenBSD version released was not a break from Internet attacks. (Of course, you can make any operating system - including OpenBSD - to become vulnerable, if you do not properly configure the server or run into the insecurity that led to the invaders software.) OpenBSD also fully integrated password security software ensure data security.
OpenBSD is not the most integrated functions on behalf of Unix components, nor is it to run the fastest. But in these areas, it is not too bad of. The operating system is small, but efficient, it's only 16MB of memory in the old 486 machine running well - and it is not such a hardware configuration running Windows 2000. Other operating systems do not have any right to create security issues OpenBSD's record of high reliability. Some of the remote root directory of the problem generally occurs every month, Microsoft's operating systems, such as Windows 2000. The recent release of a number of Linux Ramen worm has become a target for a class of virus.
The same as FreeBSD and NetBSD, OpenBSD and many application software support, it contains a number of free packages (www.openbsd.org / ports.html) custom version. It's software library is not FreeBSD's so great, but contains most of you want to install the Unix tools server or workstation. The x86 version of OpenBSD can run for FreeBSD, Linux and Solaris to create the program. OpenBSD supports 10 types of computer architecture - more than than the FreeBSD, NetBSD, but no more. Cheap Bytes OpenBSD itself or from where you can get OpenBSD CD-ROM. However, you do not get ISO mapping file, because the development team is more willing to approach the sale of CD as a support for their efforts. You can network to install the operating system, but the installer user interface so beautiful it is not FreeBSD. In the three free BSD, OpenBSD, and the development of the members at least on Unix novice, is the most difficult to learn. But if you really need a solid network firewall or server, then, OpenBSD is the right choice.
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