The leading commercial grade distribution of the open source Perl dynamic programming language;  ActiveState Perl is available in a Community Edition for Windows, Linux, and Max OS X.

Reusable software componenets based of Microsoft's ActiveX techonology that add interactivity and functionality to Web pages, applications, and software development tools.

A program that performs a repetitive or time-consuming task on a network or the Internet.  On the Internet, for example, a bot might search Web sites and newsgroups for info and then index them in a database or another record-keeping system; also called a spider. 

Blocks of data that a Web server stores on a client system to identify visitor to a website.  When a user returns to the same site, the browser sends a copy of the cookie back to the server. You can also instruct the server to send a customized version of the requested webpage, submit account information to the user, and serve other administrative purposes.

An assurance that software downloaded from the Internet comes from a reputable source. The digital certificate provides information about the software, such as the authors identity and the date that the software was registered with a certificate authority, as well as the measure of tamper resistance.

Data in a program or application that is designed to handle a specific situation. Data that is hard coded into the program makes independent on specific values rather than the value user can input.

A word, phrase, symbol, or image that you click on to move from one web station to another. A hyperlink can take you to a different part of the same website or two different website. Hyperlink text is usually underlined or displayed in a different color from the rest of the text.

A web site that serves as a gateway to the Internet. Portal is a collection of links, content, and services designed to guide users to interesting information, news, weather, entertainment, commerce site, chat room, and so on.

An Internet program that searches for keywords and phrases and web file, newsgroups, and archive. Some serach engines are dedicated to a single website. Other search multiple sites, using agent to get by just together list of available files and databases and store them for user searches.

An address used in a Web browser or locate a resource on the Internet. 

On LAN, subgroup of users within a larger group of connected networks. 

The process of OS uses to detect and log security-related events. 

A disk that contains basic volumes, such as primary partitions, extended partitions, and logical drives. 

A programming technique for quickly locating an item a sequential list.

Region of memory that holds frequently used data values.

Location of a cluster on the hard drive.

A means of reducing the amount of space needed to store a block of data.

The opposite of compression; restoring the contents of compressed files to its original form.

The process of writing parts of a file to contiguous sectors on hard drive to speed access and retrieval.

A disk that contains dynamic volumes, such a simple volumes.  Dynamic disk storage is divided into volumes instead of partitions. 

The process of encoding data to prevent unauthorized access. 

A file system, first used by DOS, that uses 12-bit sector addresses. 

A file system, first used by DOS, that uses 16-bit sector addresses. 

A file system, first used by Windows 95 OSR 2, that uses 32-bit sector addresses (of which 28 bits are currently used).

A data structure that DOS creates on a disk when it is formatted.

The overall structure of which files are named, stored, and organized. A file system consists of files, directories or folders, and the information needed to locate and access these items.

Preparing a file system so that a disk can be used to store programs and data.

The scattering of parts of the same file over different areas of the hard drive.

The special file that contains the attributes of each file created using NTFS; used to lcoate a file on a hard drive.

The default system for new installations of Windows 7; first used by Windows NT.

Logical storage area on a drive.

A portion of the drive that functions as a physically separate allocation unit.

A restriction on users ability to exceed limits placed on a file system resources. It allows administrators to effectively manage disk space shared by multiple users.

The smallest unit space on a disk; typically 512 bytes.

An area on a disk that is allocated and formatted for a filesystem.

A logical grouping of related files in Windows 7.

Part of the UFS file system that contains an identifying number and other numbers that describe the files systems geometry, statistics, and behavioral parameters.

A hidden file on a hard drive that is used to hold parts of programs and data files that do not fit in memory. The OS moves data from my swapfile to memory as needed and moves data out of memory to the swapfile to make room for new data.

A measurement of high–capacity storage. A terabyte is about 1 million bytes

A filesystem first use by Windows 95; the first file system to support long filenames.

A fixed amount of storage on a hard drive.

A path to a file that begins with the drive identifier and root directory or with the network shares and ends with the complete filename.

The command that changes the current directory. The command must be lowercase in LINUX or UNI X

A form of interface in which the user types commands using a special command language.

The program that excepts typed commands from the keyboard and performs tasks as directed. The command – line interpreter, which is usually a part of the operating system, is responsible for loading applications and directing the flow of information between them.

A MS – DOS command used to duplicate files from one disk or directory to another.

A line are within a command window, usually indicated by blinking cursor, where you type MS-DOS or Linux commands.

The Linux command used to copy files, similar to the 'COPY' command in MS-DOS.

This directory the end of active directory path; it is the directory that is searched first for a requested file, and the directory in which a new file is stored unless another directory specified.

An MS-DOS command used to permanently remove a file. The file remains stored and is recoverable until the system reuses the storage space space taken by the file

An MS-DOS command that displays a list of files and subdirectories in the current directory. 

An MS-DOS command used to premanently remove a file or folder. 

The conventional starting directory for all regular users in Fedora 13.

A plain-text name assigned to a file that can be 200 characters or more; it can include uppercase and lowercase letters as well as spaces.

The Linux command that displats a list of files and subdirectories in the current directory or the directory specified in the command.

The Linux command that creates a directory or subdirectory in the current directory of a folder. 

To make a physical disk accessible to computers filesystem.

THe MS-DOS command used to transfer file or folder from one directory to another. 

The Linux command used to transfer file or folder from one directory to another; similar to the MOVE command used in MS-DOS.

The vertical line symbol (l) that appears on a virtual machine keyboard as the shift character on the backslash (\) key.  This symbol is used in MS-DOS and Linux to transfer the output of one command to the input of a second command. 

The MS-DOS command to remove a directory. 

A path that is implied by current working directory. If a user enters the command refers to a file and the full path name is not entered, the current working directory becomes the path of the file to which the user referred.

The MS-DOS command to rename a file. 

The Linux command used to remove a directory.  All folders need to be removed from the directory before it can be removed. 

The Linux command used to organize files in a partcular order.  Files can be organized ascending or descending alphabetical order. 

A password link through which information passes between two devices.

The command used in MS-DOS to produce a graphical view of files in a directory or subdirectories.

To remove a disk or device from active use. 

Blank areas of the page or window that contribute to its balance and visual appeal.

A character that you use in a command to represent one or more unknown characters. Wildcards are useful, for example, to specify multiple filenames.

Another term for current directory.

A more powerful version of the MS-DOS COPY command, with additional features.