3Com and HomeConnect are registered trademarks of 3Com Corporation."> 3Com"> 3ware is a registered trademark of 3ware Inc."> 3ware"> Adaptec is a registered trademark of Adaptec, Inc."> Adaptec"> Adobe, Acrobat, Acrobat Reader, Flash and PostScript are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries."> Acrobat"> Acrobat Reader"> Adobe"> Flash"> PostScript"> AMD, AMD Athlon, AMD Opteron, AMD Phenom, AMD Sempron, AMD Turion, Athlon, Élan, Opteron, and PCnet are trademarks of Advanced Micro Devices, Inc."> AMD"> Am486"> Am5x86"> AMD Athlon"> AMD Duron"> AMD-K6"> AMD Opteron"> AMD Phenom"> AMD Sempron"> AMD Turion"> Athlon"> Élan"> Opteron"> Apple, AirPort, FireWire, iMac, iPhone, iPad, Mac, Macintosh, Mac OS, Quicktime, and TrueType are trademarks of Apple Inc., registered in the U.S. and other countries."> AirPort"> Apple"> FireWire"> iMac"> iPad"> iPhone"> Mac"> Macintosh"> Mac OS"> Quicktime"> TrueType"> ARM is a registered trademark of ARM Limited."> ARM"> Bluetooth"> Cisco, Catalyst, and IOS are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries."> Cisco"> Catalyst"> EtherChannel"> IOS"> Corel and WordPerfect are trademarks or registered trademarks of Corel Corporation and/or its subsidiaries in Canada, the United States and/or other countries."> WordPerfect"> Coverity is a registered trademark; Coverity Extend, Coverity Prevent and Coverity Prevent SQS are trademarks of Coverity, Inc."> Coverity"> Coverity Prevent"> Sound Blaster is a trademark of Creative Technology Ltd. in the United States and/or other countries."> SoundBlaster"> CVSup is a registered trademark of John D. Polstra."> Dell"> PowerEdge"> EPSON Perfection"> FreeBSD is a registered trademark of the FreeBSD Foundation."> Fujitsu, the Fujitsu logo, LifeBook, Stylistic, PRIMEPOWER, PRIMEQUEST, PRIMECLUSTER, ETERNUS, TRIOLE, ESPRIMO, BioMedCAChe, CAChe, CELLINJECTOR, isS, Materials Explorer, SystemWalker, and Interstage are trademarks or registered trademarks of Fujitsu Limited in the United States and other countries."> Fujitsu"> PRIMEPOWER"> Android is a trademark of Google Inc."> Android"> Heidelberg, Helvetica, Palatino, and Times Roman are either registered trademarks or trademarks of Heidelberger Druckmaschinen AG in the U.S. and other countries."> IBM, AIX, OS/2, PowerPC, PS/2, S/390, and ThinkPad are trademarks of International Business Machines Corporation in the United States, other countries, or both."> AIX"> OS/2"> PowerPC"> PS/2"> S/390"> ThinkPad"> IEEE, POSIX, and 802 are registered trademarks of Institute of Electrical and Electronics Engineers, Inc. in the United States."> IEEE"> POSIX"> Intel, Celeron, Centrino, Core, EtherExpress, i386, i486, Itanium, Pentium, and Xeon are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries."> Celeron"> Centrino"> Core"> EtherExpress"> i386"> i486"> Intel"> Itanium"> Pentium"> Xeon"> Intuit and Quicken are registered trademarks and/or registered service marks of Intuit Inc., or one of its subsidiaries, in the United States and other countries."> Iomega, Zip, and Jaz are either registered trademarks or trademarks of Iomega Corporation in the United States and/or other countries."> Zip"> Jaz"> Lantronix and EasyIO are trademarks of Lantronix Corporation."> EasyIO"> Linux is a registered trademark of Linus Torvalds."> Linux"> LSI Logic, AcceleRAID, eXtremeRAID, MegaRAID and Mylex are trademarks or registered trademarks of LSI Logic Corp."> AcceleRAID"> MegaRAID"> Mylex"> Macromedia, Flash, and Shockwave are trademarks or registered trademarks of Macromedia, Inc. in the United States and/or other countries."> Macromedia"> Microsoft, IntelliMouse, MS-DOS, Outlook, Windows, Windows Media and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries."> IntelliMouse"> Microsoft"> MS-DOS"> Outlook"> Windows"> Windows Media"> Windows NT"> MIPS and R4000 are registered trademarks of MIPS Technologies, Inc. in the United States and other countries."> MIPS"> MySQL"> M-Systems and DiskOnChip are trademarks or registered trademarks of M-Systems Flash Disk Pioneers, Ltd."> DiskOnChip"> NetBSD is a registered trademark of the NetBSD Foundation."> Netscape and the Netscape Navigator are registered trademarks of Netscape Communications Corporation in the U.S. and other countries."> Netscape"> Netscape Navigator"> GateD and NextHop are registered and unregistered trademarks of NextHop in the U.S. and other countries."> GateD"> Motif, OSF/1, and UNIX are registered trademarks and IT DialTone and The Open Group are trademarks of The Open Group in the United States and other countries."> UNIX is a registered trademark of The Open Group in the United States and other countries."> Motif"> UNIX"> Oracle is a registered trademark of Oracle Corporation."> Oracle"> PowerQuest and PartitionMagic are registered trademarks of PowerQuest Corporation in the United States and/or other countries."> PartitionMagic"> QUALCOMM and Eudora are registered trademarks of QUALCOMM Incorporated."> Eudora"> RealNetworks, RealPlayer, and RealAudio are the registered trademarks of RealNetworks, Inc."> RealPlayer"> Red Hat, RPM, are trademarks or registered trademarks of Red Hat, Inc. in the United States and other countries."> SAP, R/3, and mySAP are trademarks or registered trademarks of SAP AG in Germany and in several other countries all over the world."> R/3"> SAP"> Silicon Graphics, SGI, and OpenGL are registered trademarks of Silicon Graphics, Inc., in the United States and/or other countries worldwide."> OpenGL"> SPARC, SPARC64, and UltraSPARC are trademarks of SPARC International, Inc in the United States and other countries. SPARC International, Inc owns all of the SPARC trademarks and under licensing agreements allows the proper use of these trademarks by its members."> SPARC"> SPARC64"> UltraSPARC"> Sun, Sun Microsystems, Java, Java Virtual Machine, JDK, JRE, JSP, JVM, Netra, OpenJDK, Solaris, StarOffice, SunOS and VirtualBox are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries."> Java"> Java Virtual Machine"> JDK"> JRE"> JSP"> JVM"> Netra"> OpenJDK"> Solaris"> SPARCEngine"> StarOffice"> Sun"> Sun Blade"> Sun Enterprise"> Sun Fire"> Ultra"> SunOS"> VirtualBox"> Symantec and Ghost are registered trademarks of Symantec Corporation in the United States and other countries."> MATLAB is a registered trademark of The MathWorks, Inc."> MATLAB"> SpeedTouch is a trademark of Thomson."> SpeedTouch"> U.S. Robotics and Sportster are registered trademarks of U.S. Robotics Corporation."> Sportster"> U.S. Robotics"> Waterloo Maple and Maple are trademarks or registered trademarks of Waterloo Maple Inc."> Maple"> Mathematica is a registered trademark of Wolfram Research, Inc."> Mathematica"> VMware is a trademark of VMware, Inc."> Xen"> XFree86 is a trademark of The XFree86 Project, Inc."> XFree86"> Ogg Vorbis and Xiph.Org are trademarks of Xiph.Org."> Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this document, and the FreeBSD Project was aware of the trademark claim, the designations have been followed by the ™ or the ® symbol."> Redistribution and use in source (XML DocBook) and 'compiled' forms (XML, HTML, PDF, PostScript, RTF and so forth) with or without modification, are permitted provided that the following conditions are met: Redistributions of source code (XML DocBook) must retain the above copyright notice, this list of conditions and the following disclaimer as the first lines of this file unmodified. Redistributions in compiled form (transformed to other DTDs, converted to PDF, PostScript, RTF and other formats) must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS DOCUMENTATION IS PROVIDED BY THE FREEBSD DOCUMENTATION PROJECT "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD DOCUMENTATION PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. '> FreeBSD is a registered trademark of The FreeBSD Foundation. UNIX is a registered trademark of The Open Group in the US and other countries. Sun, Sun Microsystems, SunOS, Solaris, Java, JDK, and OpenJDK are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. Apple and QuickTime are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. Macromedia and Flash are trademarks or registered trademarks of Macromedia, Inc. in the United States and/or other countries. Microsoft, Windows, and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. PartitionMagic is a registered trademark of PowerQuest Corporation in the United States and/or other countries. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the FreeBSD Project was aware of the trademark claim, the designations have been followed by the ™ symbol. '>