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`Cisco Systems, Inc. v. TQ Delta, LLC
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`IPR2016-01466
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` lictionarv
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`of
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`Netwm‘kmg
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`Third Edition
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`Pater Dyson
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`San Francisco Paris DUsseldorf Soest London
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`Acquisitions 8C Developmental Editor: Neil Edde
`Editor: Pat Coleman
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`Project Editor: Jeremy Crawford
`Technical Editor: Mark Kovach
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`Book Designer: Bill Gibson
`Graphic Illustrators: Tony jonick and Jerry Williams
`Electronic Publishing Specialist: Bill Gibson
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`Project Team Leader: Lisa Reardon
`Proofreaders: Susan Berge, Theresa Mori, and Catherine Morris
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`Companion CD: Ginger Warner
`Cover Designer: Archer Design
`
`SYBEX, Network Press, and the Network Press logo are registered trademarks of SYBEX Inc.
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`The CD Interface music is from GIRA Sound AURIA Music Library ©GIRA Sound 1996.
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`TRADEMARKS: SYBEX has attempted throughout this book to distinguish proprietary trademarks
`from descriptive terms by following the capitalization style used by the manufacturer.
`
`The author and publisher have made their best efforts to prepare this book, and the content is‘based
`upon final release software whenever possible Portions of the manuscript may be based upon pre-
`release versions supplied by software manufacturer(s). The author and the publisher make no represen-
`tation or warranties of any kind with regard to the completeness or accuracy of the contents herein and
`accept no liability of any kind including but not limited to performance, merchantability, fitness for any
`particular purpose, or any losses or damages of any kind caused or alleged to be caused directly or indi—
`rectly from this book.
`
`The first edition of this book was published under the title Novell’s Dictionary ofNetworking copyright
`©1994 SYBEX lnC.
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`Second edition copyright ©1995 SYBEX Inc.
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`Copyright ©1999 SYBEX Inc., 1151 Marina Village Parkway, Alameda, CA 94501. World rights
`reserved. No part of this publication may be stored in a retrieval system, transmitted, or reproduced in
`any way, including but not limited to photocopy, photograph, magnetic or other record, without the
`prior agreement and written permission of the publisher.
`
`Library of Congress Card Number: 99—62864
`ISBN: 0-7821-2461-5
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`Manufactured in the United States of America
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`10987654321
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`synchronous transmission
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`synchronous transmission A trans—
`mission method that uses a clock signal to
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`System IV A version of Unix from
`ATSCT that was never released outside the
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`regulate data flow.’
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`In synchronous transmissions, frames are
`separated by equal-sized time intervals.
`Timing must be controlled precisely on the
`sending and the receiving computers. Spe-
`cial characters are embedded in the data
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`stream to begin synchronization and to
`maintain synchronization during the trans-
`mission, allowing both computers to check
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`for and correct any variations in timing.
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`See also asynchronous transmission.
`
`syntax The formal rules of grammar as
`they apply to a specific programming
`language or operating system command;
`in particular, the exact sequence and
`spelling of command elements required for
`the command to be interpreted correctly.
`
`syntax error An error in the use’of a pro-
`gramming language or operating system
`command syntax, such as misspelling a key-
`word or omitting a required space.
`
`SyQuest Technology, Inc. A leading
`
`manufacturer of removable storage media,
`particularly the SCSI-based removable hard
`disk available for the PC and the Macintosh.
`
`For more information on SyQuest Technol—
`ogy, Inc., see www. syquest . com.
`
`System Ill The release of Unix from
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`ATSCT prior to the release of System V.
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`System III was the first version of Unix to
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`be ported to the Intel family of processors
`and formed the basis for SCO’s release of
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`XENIX.
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`360
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`company, mostly to avoid confusion with
`the 4.xBSD series of products.
`
`System V The last version of Unix from
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`ATSCT, pronounced “System Five.” The lat-
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`est release is known as System V Release 4.2,
`often abbreviated SVR4 or SVR4.2.
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`System V Interface Definition Abbre—
`viated SVID. A set of documents released by
`ATSCT that defined the Unix System V in—
`terfaces and operating system calls.
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`system administration The day—to-day
`administrative and management tasks
`performed by the system administrator,
`including:
`
`. Starting up and shutting down the system
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`' Setting the system time and date
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`- Assigning and changing passwords
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`- Adding and removing users and groups
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`- Installing, upgrading, and removing
`application packages and installing oper~
`ating system upgrades
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`- Backing up the system, storing archives
`off location, and restoring backups as
`needed
`
`. Installing and configuring new hardware
`
`such as printers, storage devices, and com—
`munications systems
`
`. Monitoring system performance and
`making tuning adjustments as necessary
`
`See also system administrator.
`
`System Administration: lnformix
`
`Dynamic Server A certification from
`
`Informix designed for individuals who
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