Glossary
Where we make sense of the jargon and technical terms used in this community.
- cache search for term
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1. (verb) To hold data in a temporary storage area, such as in RAM. The data can be accessed more quickly from RAM than from the hard disk.2. (noun) A quickly accessible area of RAM or a directory or a disk that stores frequently used information.3. (noun) On the Web, refers to the area where the browser stores downloaded graphics on the user's computer. That way, when the user has to reload the graphics, the browser retrieves it from the computer faster than ite would reloading the graphics from the Internet.
- cache buffer search for term
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A block of NetWare server memory (RAM) that temporarily stores data.
- cache buffer pool search for term
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The amount of memory available for use by the operating system after the server.exe file has been loaded into memory.
- cache hit search for term
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A successful search for data in a memory cache.
- cache memory search for term
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Available random access memory (RAM) that NetWare uses to improve NetWare server access time. Cache memory allocates memory for the hash table, the FAT, the Turbo FAT, suballocation tables, the directory cache, a temporary data storage area for files and NLM programs, and available memory for other functions.
- cache, NAL search for term
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NAL cacheIn ZENworks Desktop Management, a hidden directory (nalcache) that Novell Application Launcher creates on the root of the Windows drive. The cache directory contains subdirectories for each application associated with the workstation's user. For example, c:nalcachenovell_tree.app1.apps.novell and c:nalcachenovell_tree.app2.apps.novell. These subdirectories contain the information used by Novell Application Launcher (NAL) to install, launch, verify, and uninstall applications while the user is disconnected from Novell eDirectory.
- cache-only server search for term
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A server that has no database; it must query other name servers to obtain information. After a cache-only server receives information for a query, it caches the information and can respond to subsequent queries (for the same information) without querying other name servers.
- call authentication search for term
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A method of protecting against unauthorized access into a system by inbound remote calls.
- call control agent search for term
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A software module that works in tandem with the call support layer (CSL). The CCA contains wide area network (WAN) media-specific connection management logic.
- Call Manager utility search for term
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The NetWare utility used to monitor the status of the WAN connections or to start and stop WAN calls manually.
- Call Request packet search for term
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In X.25, a type of control packet sent to data terminal equipment (DTE) to request initiation of a virtual call.
- call support layer search for term
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The software module that provides a general-purpose interface for controlling wide area network (WAN) calls. Call control refers to a set of actions taken to establish, maintain, and disconnect a WAN connection.
- CALLMGR search for term
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The NetWare utility used to monitor the status of the wide area network (WAN) connections or to start and stop WAN calls manually.
- Can't Compress search for term
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Short for "Can't Compress attribute."
- Can't Compress attribute search for term
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A file system attribute indicating that a file can't be compressed because of insignificant space savings. It is shown in attribute listings but can't be set by users.
- CAPTURE search for term
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A NetWare command line utility used to print to a network printer from an application that is not designed to run on a network. CAPTURE can also print screen displays and save data to a network file.
- Capture Packets search for term
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In ZENworks Server Management, software that enables the system administrator to collect packets in order to analyze traffic in a particular LAN segment, using the Novell LANalyzer Agent or the standard RMON Agent.
- case sensitive search for term
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A program or function that differentiates between capital and non-capitalized letters or words. Something that is not case sensitive would view 'novell' and 'Novell' as the same word. A case sensitive program would see two different words.
- CCA search for term
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1. Compatible Communications Architecture2. Computer Corporation of America3. common cryptographic architecture4. communications control architecture5. call control agent: A software module that works in tandem with the call support layer (CSL). The CCA contains wide area network (WAN) media-specific connection management logic.
- CD-ROM search for term
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compact disc read-only memoryA computer storage medium which can store large amounts of information; generally used to distribute software or multi-media for use on computers with CD-ROM drives. CD-ROM disks look just like music CDs and cannot be altered by a user. Most CD-ROMs can store 650 megabytes of data.A single CD-ROM has the storage capacity of 700 floppy disks, enough memory to store about 300,000 text pages. CD-ROMs are stamped by the vendor, and once stamped, they cannot be erased and filled with new data. To read a CD, you need a CD-ROM player. All CD-ROMs conform to a standard size and format, so you can load any type of CD-ROM into any CD-ROM player. In addition, CD-ROM players are capable of playing audio CDs, which share the same technology. CD-ROMs are particularly well-suited to information that requires large storage capacity. This includes large software applications, graphics, sound, and especially video.
- CDM search for term
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custom device module1. The driver component in the NetWare Peripheral Architecture (NPA) used to drive specific storage devices attached to the host adapter.2. code division multiplexing
- Central Processing Unit search for term
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The most powerful microprocessor chip in your computer. The actual CPU is about 1.5 inches square, yet it is the most critical part of the computer. Having a fast CPU (measured in MegaHertz) greatly aids in the overall speed of your computer.Sometimes the term CPU is used to describe the whole box that contains the chip (along with the motherboard, expansion cards, disk drives, power supply, and so on). In this sense, it comprises the part of the computer apart from the monitor, keyboard, and mouse.Sometimes referred to as the heart or the brains of a traditional computer. The CPU coordinates all activity in the machine by following a precise set of instructions--the software.
- Central Processing Unit Cache Memory search for term
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The cache on your CPU is an expensive, high-speed piece of memory, which is used to speed up the memory retrieval process. Due to its expense, CPUs come with a relatively small amount of cache compared with the main system memory.The extremely fast memory in CPU cache stores any data that is frequently accessed and also, if possible, the data that is around it. This achieves the quickest possible response time to the CPU. Otherwise, every time the CPU requested data, it would send a request to the main memory which would then be sent back across the memory bus to the CPU. This can be a slow process.
- CEPT search for term
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Conference Europeenne des Postes et des Telecommunications (European Conference of Postal and Telecommunications Administration)The association of the European Post, Telephone, and Telegraph agencies (PTT) that recommends communication specifications to the International Telecommunication Union Telecommunication Standardization Sector (ITU-T). This governing body created the facility used to transport 30 voice channels at 64 Kbs (for a total of 2.048 Mbps); also known as "E1."
- certification authority search for term
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An entity that issues the digital certificates used in public-key cryptography and attests to the identity of the person or organization to whom it issues the digital certificates. For example, a company may issue certificates to its employees, a university to its students, or a town to its citizens. Also called certificate authority or certifying authority.
- CGI search for term
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1. Common Gateway Interface: A standard for how a Web server communicates with external programs. CGI specifies how to pass arguments to the executing program as part of the HTTP request and defines a set of environment variables. Commonly, the program generates HTML that is passed back to the browser, but it can also request redirection to a different URL. This interfacing allows for interactive sites instead of just static text and images.2. color graphics interface
- Challenge Handshake Authentication Protocol search for term
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An inbound call protection method that enables the receiving node to issue a challenge sequence that must be modified by the caller to use a "secret" known by both peer nodes.
- Change Number of Sessions search for term
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An Advanced Program-to-Program Communication (APPC) verb used to perform session-related operations.
- channel service unit search for term
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A digital signal processing device used to connect an external digital channel (such as a T-1, DDS, or Switched 56 line) to a multiplexer or to another device that produces a digital signal (such as a digital PBX or a PC).At the customer's end of the telephone connection, CSUs perform much the same function for digital circuits that modems provide for analog connections. A CSU performs certain line-coding, line-conditioning, equalization, and monitoring functions, including transmit and receive filtering, signal shaping, longitudinal balance, voltage isolation, and remote loopback testing for digital transmission.
- channel-attached search for term
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Describes devices attached to a controller by cables, rather than by telecommunication lines.
- CHAP search for term
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Challenge Handshake Authentication ProtocolAn inbound call protection method that enables the receiving node to issue a challenge sequence that must be modified by the caller to use a "secret" known by both peer nodes.
- character device search for term
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A data storage or transfer device that manipulates data in increments of a single character; for example, a terminal. Contrast with block device.
- character length search for term
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In serial communication, the number of bits used to form a character.
- character set search for term
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The letters, numbers, and characters a computer uses for display and printing. Alphabet-based languages, such as English, usually have a character set of 256 symbols (the number of combinations one byte can hold). Unicode, with 16 bits, has a possible character set of 65,536 symbols.
- charge rate search for term
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The number that is subtracted from a NetWare user's account balance for a unit of service. For example, a charge rate of 2/3 for connection time means that 2 is subtracted from the user's account balance for every 3 minutes of connection time.
- checkpoint restart search for term
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In ZENworks Desktop Management, a distribution download mechanism used by Novell Application Launcher (NAL) while the user is connected to eDirectory through a remote connection. If an application download is postponed or interrupted, the download is resumed at the point where it left off, not at the beginning.
- checksum search for term
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The numeric computation that combines the bits of a transmitted message; also the resulting value. The value is transmitted with the message; the receiver recalculates the checksum and compares it to the received value to detect transmission errors.
- CHGNETA search for term
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In the AS/400 system, a command used to change network attributes.
- child document search for term
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In the Content Management subsystem, a document that is associated with one parent document. An example of a child document is a reply in a discussion thread. Each reply is a response to only one other discussion item in the thread.
- child VLM search for term
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A Virtual Loadable Module (VLM) that receives calls from and returns calls to a parent VLM. A child VLM handles a particular implementation of a logical grouping of functionality. For example, each of the following is a child VLM of NWP.VLM: - BIND.VLM for NetWare 2 and 3 bindery servers- NDS.VLM for NetWare 4 NDS servers- PNW.VLM for Personal NetWare (NetWare desktop)
- chording search for term
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The simultaneous pressing of two or more buttons or keys on an input device such as a keyboard or mouse that produces one set action.
- CIFS search for term
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Common Internet File SystemA protocol that lets programs make requests for files and services on remote computers on the Internet. CIFS uses the client/server programming model. A client program makes a request of a server program (usually in another computer) for access to a file or to pass a message to a program that runs in the server computer. The server takes the requested action and returns a response. CIFS is a public or open variation of the Server Message Block Protocol developed and used by Microsoft.
- CIM search for term
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Common Information ModelAn approach to system and network management defined by the Distributed Management Task Force. CIM describes the components of a managed computing and networking environment using an object-oriented modeling approach. In ZENworks Server Management and ZENworks Desktop Management, it is used to define the Inventory database schema.
- CIM schema search for term
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1. A collection of class definitions used to represent managed objects that occur in every management environment.2. In ZENworks Desktop Management and ZENworks Server Management, an approach to system and network management that is used to apply object-oriented structuring and conceptualization techniques to the Inventory database. The Inventory database schema in ZENworks is based on the CIM schema.
- CIR search for term
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committed information rateThe rate, in bits per second, at which a network offering frame relay services (FRS) agrees to transfer data on a particular virtual circuit under normal operating conditions. The rate is averaged over a minimum increment of time.
- circuit switching search for term
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A procedure for establishing a connection between two end devices. Once established, the connection uses a nonsharable path through the network.
- Clear Request packet search for term
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In X.25, a type of control packet sent to a data terminal equipment (DTE) to request the termination of a virtual call.
- clear text password search for term
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A password that has not been encrypted. In contrast, ciphertext is data that has been encrypted.
- Clear To Send search for term
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A control signal generated by data communications equipment (DCE) to indicate that it can transmit data.
- CLI search for term
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1. command line interpreter: The main interface between a user and a computer. A CLI accepts commands and then performs functions.2. call level interface: A database standard, as in SQL/CLI.3. Common Layer Interface: A layer in the Novell Storage Services (NSS) software architecture that provides naming, object, and management services. The CLI layer defines the interfaces that Semantic Agents use to access the object engine layer.4. Compression Labs, Inc.: A vendor for video conference equipment.
- CLIB search for term
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C-LibraryThe dynamically loaded Runtime NetWare C library that provides an interface to the NetWare operating system.
- client/server network search for term
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A network having at least one personal computer configured as a server. The server runs the client/server network operating system and controls communication and shared network resources. The clients are workstations that are connected to the network and are running client software.
- Client32 search for term
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Novell ClientNovell software that provides basic connectivity and access to NetWare network resources for workstations. Additionally, it provides advanced networking services such as rapid data transfer, file and print management, and access to eDirectory.
- clientless architecture search for term
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In ZENworks Desktop Management, the lack of dependence on the Novell Client for workstations to authenticate to eDirectory.
- clocking search for term
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A method of time synchronization of communication information.
- closed user group search for term
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A facility that allows the configuration of virtual private networks within a larger public network. It allows a user to collect data terminal equipment (DTEs) into a single logical group, and restricts the ability of the group to receive or make outgoing calls to the restricted "open" portion of the network. The number of CUGs is network-dependent. A single DTE can belong to one or more CUGs.
- Cluster Membership search for term
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A dynamic group of nodes that comprise the current cluster, which is updated when nodes leave or join the cluster.
- cluster resource search for term
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A NetWare application, service, or volume that has been set up for high availability by being configured to work with Novell Cluster Services.
- cluster server search for term
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A server that is connected to a shared storage device and is running Novell Cluster Services software.
- cluster volume search for term
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A volume on shared storage or a shared disk system.
- Cluster Volume search for term
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A specialized location-transparent cluster resource that provides access to NetWare file services.
- cluster-enabled shared volume search for term
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In ZENworks Server Management, a shared volume for which a Volume Resource object has been created in eDirectory.
- cluster-enabled volume search for term
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A volume on shared storage that has been set up as a cluster resource, with its own IP address and load and unload scripts.
- cluster-safe search for term
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In ZENworks Desktop Management, being able to install the Desktop Management services in a Novell Cluster Services environment; if the cluster volume goes down, an interruption in services will occur while the cluster fails over.
- CMFS search for term
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Continuous Media File SystemA disk storage system used by the NetWare MultiMedia Server component that provides Disk QoS on the NetWare server. This allows multiple file accesses, delivering data at a guaranteed rate while sharing a single disk drive.
- CMOS search for term
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complementary metal oxide semiconductorA technology for making integrated circuits, widely used for processors and memory because it minimizes power needed for operation. The term is loosely used to refer to the CMOS RAM in a PC.
- CMOS RAM search for term
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complementary metal oxide semiconductor random access memoryA small, battery-backed memory bank in a personal computer used to contain the PC's configuration information (time, date, and system information, such as drive types). CMOS RAM is memory made of CMOS chips, which, because of their low power requirements, are increasingly being used for main memory in portable computers.
- CMSAC search for term
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Content Management System Administration ConsoleA Web application for setting up and maintaining a document management infrastructure and creating, editing, securing, and publishing HTML and XML content for your portal applications. The CMSAC uses the services of the Content Management subsystem.
- CNOS search for term
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Change Number of StationsAn Advanced Program-to-Program Communication (APPC) verb used to perform session-related operations.
- code page search for term
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A table that lists the possible combinations for a character set used by a computer. For example, a DOS code page that defines the extended this page you can look up ASCII characters and descriptions.">ASCII character set consists of 256 character combinations, using an 8-bit code. Unicode, using a 16-bit code, allows up to 65,536 unique characters. Separate code pages apply to different languages.
- COM port search for term
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communications portA connection device between a computer and another component, such as a printer or modem. A COM port is a serial port, meaning that information is transmitted through it 1 bit at a time.
- command format search for term
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Instructions that show how to type a command at the keyboard; also called syntax. In NetWare manuals, a command format may include constants, variables, and symbols.
- command line search for term
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A space provided directly on the screen where users type specific commands, rather than execute commands through graphical selections, such as menus and buttons. In Linux, you open a shell prompt, which generally displays a $ at the end, and type commands at the command line. An example of a command line is the area next to the DOS prompt on a personal computer.
- command line option search for term
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An argument to a command that modifies its function rather than providing data. Options generally start with "-" in UNIX or "/" in MS-DOS. This is usually followed by a single letter or occasionally a digit.Some commands require each option to be a separate argument, introduced by a new "-" or "/", others allow multiple option letters to be concatenated into a single argument with a single "-" or "/", e.g. "ls -al". A few UNIX commands (such as ar and tar) allow the "-" to be omitted. Some options may or must be followed by a value (for example, "cc prog.c -o prog"), sometimes with and sometimes without an intervening space.
- committed burst size search for term
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The maximum number of data bits that a network agrees to transfer under typical conditions over a measured time interval.
- committed information rate search for term
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The rate, in bits per second, at which a network offering frame relay services (FRS) agrees to transfer data on a particular virtual circuit under normal operating conditions. The rate is averaged over a minimum increment of time.
- Common Gateway Interface search for term
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A standard for how a Web server communicates with external programs. CGI specifies how to pass arguments to the executing program as part of the HTTP request and defines a set of environment variables. Commonly, the program generates HTML that is passed back to the browser, but it can also request redirection to a different URL. This interfacing allows for interactive sites instead of just static text and images.
- Common Information Model search for term
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An approach to system and network management defined by the Distributed Management Task Force. CIM describes the components of a managed computing and networking environment using an object-oriented modeling approach. In ZENworks Server Management and ZENworks Desktop Management, it is used to define the Inventory database schema.
- Common Internet File System search for term
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A protocol that lets programs make requests for files and services on remote computers on the Internet. CIFS uses the client/server programming model. A client program makes a request of a server program (usually in another computer) for access to a file or to pass a message to a program that runs in the server computer. The server takes the requested action and returns a response. CIFS is a public or open variation of the Server Message Block Protocol developed and used by Microsoft.
- Common Layer Interface search for term
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A layer in the Novell Storage Services (NSS) software architecture that provides naming, object, and management services. The CLI layer defines the interfaces that semantic agents use to access the object engine layer.
- Common UNIX Printing System search for term
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A freely distributable collection of tools and drivers that allow UNIX and UNIX-compatible operating systems to control printer devices, manage print queues, and process print requests.CUPS provides a portable printing layer for UNIX-based operating systems. It has been developed by Easy Software Products to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley command-line interfaces.
- communication buffer search for term
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An area in the NetWare server's memory that is set aside to temporarily hold data packets arriving from clients.
- communication protocol search for term
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A convention or set of rules used by a program or operating system to communicate between two or more endpoints. Although many different communication protocols are used, they all allow information to be packaged, sent from a source, and delivered to a destination system.
- communications controller search for term
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A machine directly attached to a hos