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Berkeley Internet Name Daemon (BIND) |
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Open-source software that contains all DNS protocols needed to resolve hostnames to IP addresses. |
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A DNS feature that stores DNS queries on the local site for fast hostname-to-IP address resolution |
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A distributed and hierarchical database that allows controlling DNS management on the local site and is used to translate hostnames to IP addresses. |
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A type of DNS server that forwards unknown DNS requests generated on the local site to an off-site DNS server |
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An authoritative name server that stores primary copies of zone records |
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A central database that translates hostnames to IP addresses (or IP addresses to hostnames) |
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A file containing resource information or characteristics about a zone or domain. |
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DNS servers that control the to-top-level domains (TLDs) of the Internet |
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An authoritative name server that recieves its zone information from the master name server |
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A mandatory resource record in a zone file that contains basic information about the zone |
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The amount of time a DNS server caches a resource record |
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A text file that stores DNS zone data |
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Portions of the domain namespace |
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A type of IMAP server designed to handle increased mail demands |
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Internet Message Protocol (IMAP) |
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An advanced client/server protocol for recieving e-mail from a server; includes options for storing and organizing e-mails on the server |
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mail transfer agent (MTA) |
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Definition
A program for sending and recieving messages between systems via SMTP |
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An e-mail application that users run to access their mailboxes and send and recieve e-mail |
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Post Office Protocol 3 (POP3) |
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A standard client/server protocol for receiving e-mail |
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A Linux utility used for filtering and sorting incoming e-mail |
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Simple Mail Transfer Protocol (SMTP) |
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The TCP/IP protocol that defines how e-mail is sent across a network |
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A network system where users can store and share files |
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Making a file system appear as though it's on a local machine |
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Typically an empty directory on the local file system that's used as a logical space to mount another file system |
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Network File System (NFS) |
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A distributed file system protocol that allows remote access to shared resources across networks |
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A Linux machine on the network that exports directories to all network hosts that have access to it |
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Remote Procedure Calls (RPC) |
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A protocol that allows one computer on a network to request a service from a program on another computer on the network |
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A process the NFS server uses to check whether a requested file is in the exported subdirectory |
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arithmetic logic unit (ALU) |
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A component of the CPU responsible for mathematical and logical operations |
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An ASCII XML configuration file used to configure an automatic openSuSE installation |
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A channel that allows you to connect components such as a video card to your computer's processor |
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A place where the CPU can store frequently accessed data and instructions |
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The number of pulses per second generated by the oscillator on the motherboard |
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A component of the CPU that regulates instructions |
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The most common type of memory used in computers; stores inforamtion by refreshing the capacitors thosuands of times per second |
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A primary partiton that contains a logical partition |
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The main storage device; typically holds the largest amount of data in your computer |
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Integrated Drive Electronics (IDE) |
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A type of interface that connects up to four hard drives via a flat 40-wire parallel cable or a seven-pin connector |
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The small RAM chip built into the CPU |
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A small RAM chip that's connected directly to the CPU or incorporated into processors. It's larger and slower than an L1 cache and is capable of reading larger quantities of data from RAM |
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A small RAM chip that's connected directly to the CPU when an L2 cache is used and is incorporated directly into the CPU in multicore precessores. Similar functionality as an L2 caceh but is even larger and slower. |
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A partition that's created in one of the four primary partitions; begins with the drive number 5 |
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A number hard-wired into the CPU for determining processor speed |
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The process of dividing a hard drive into logical sections; each one is a contijuos section of blocks treated as a separate physical dirve |
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Partitions installed as apart of the Linux boot sector . Linuxs supports only four primary partitins, which can be subdivided further |
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Nonvolatile computer memory used to store data permamently |
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The number of horizontal and vertical pixels a monitor is capable of displaying |
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Serial Advanced Technology Attachment (SATA) |
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An advanced IDE interface for high performance and better reliability; it uses a much thinner cable, which simplifies cabling and improves airflow in the system |
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small computer systems interface (SCSI) |
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An interface typically used to connect hard drives in a server rather than a home desktop; it's faster and more expensive and creates mor noise and heat than other types of hard disk interface |
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Memory capable of storing information without the need to refresh its capacitors, as long as there is power tot he computer |
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Partitions on the HDD that the Linux kernal uses for storing pages from RAM |
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Expansion devices that plug into a bus on the motherboard; used to send graphical information to the monitor |
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One of three journaling modes first inroduces in ext3. It's the slowest mode because it requires the file system to write every change twice: first to the journal and then tot he file system |
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In ext4, a set of contiguous physical blocks used to reduce fragmentation and improve performance |
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Fourth Extended (ext4) File System |
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A jouranling file system included with openSuSE Linux that offers better performance and increased reliability along with several new features, including unlimited subdirectories, extents, and multiblock alloaction |
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A Linux file system feature that cahes data in a hidden file until the kernal writes it to the hard drive |
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logical volume management (LVM) |
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A technique for collecting information on free space from all disk partitions and storage devices into one logical volume |
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The default journaling mode, first introduced in ext3. It stores metadata, but it writed data first, which is important to prevent data corruption |
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Second Extended (ext2) File System |
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A replacement for the extended file system that doesn't support journaling. Features include support for standard UNIX file types, larger partition sizes, variable-length filenames up to 255 character, and reservation of blocks for root |
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Third Extended (ext3) File System |
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A Linux file system that supports journaling and a maximum file size of 2 TB |
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