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Environment variable and File Control Block

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Environment variable and File Control Block

Environment variable vs. File Control Block

An environment variable is a user-definable value that can affect the way running processes will behave on a computer. A File Control Block (FCB) is a file system structure in which the state of an open file is maintained.

Similarities between Environment variable and File Control Block

Environment variable and File Control Block have 16 things in common (in Unionpedia): COMMAND.COM, CONFIG.SYS, CP/M, DOS, DR-DOS, IBM PC DOS, Microsoft Windows, MS-DOS, Program Segment Prefix, Unix, Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, 8.3 filename.

COMMAND.COM

COMMAND.COM is the default command-line interpreter for MS-DOS, Windows 95, Windows 98 and Windows Me.

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CONFIG.SYS

CONFIG.SYS is the primary configuration file for the DOS and OS/2 operating systems.

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CP/M

CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. CP/M is a disk operating system and its purpose is to organize files on a magnetic storage medium, and to load and run programs stored on a disk.

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DOS

DOS is a family of disk-based operating systems for IBM PC compatible computers.

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DR-DOS

DR-DOS (written as DR DOS, without a hyphen, in versions up to and including 6.0) is a disk operating system for IBM PC compatibles.

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IBM PC DOS

IBM PC DOS (an acronym for IBM Personal Computer Disk Operating System),Formally known as "The IBM Personal Computer DOS" from versions 1.0 through 3.30, as reported in those versions' respective COMMAND.COM outputs also known as PC DOS or IBM DOS, is a discontinued disk operating system for the IBM Personal Computer, its successors, and IBM PC compatibles.

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Microsoft Windows

Microsoft Windows is a product line of proprietary graphical operating systems developed and marketed by Microsoft.

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MS-DOS

MS-DOS (acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft.

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Program Segment Prefix

The Program Segment Prefix (PSP) is a data structure used in DOS systems to store the state of a program.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Windows 2000

Windows 2000 is a major release of the Windows NT operating system developed by Microsoft and oriented towards businesses.

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Windows 95

Windows 95 is a consumer-oriented operating system developed by Microsoft as part of its Windows 9x family of operating systems.

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Windows 98

Windows 98 is a consumer-oriented operating system developed by Microsoft as part of its Windows 9x family of Microsoft Windows operating systems.

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Windows Me

Windows Me (Millennium Edition) is an operating system developed by Microsoft as part of its Windows 9x family of Microsoft Windows operating systems.

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Windows NT

Windows NT is a proprietary graphical operating system produced by Microsoft as part of its Windows product line, the first version of which, Windows NT 3.1, was released on July 27, 1993.

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8.3 filename

An 8.3 filename (also called a short filename or SFN) is one that obeys the filename convention used by old versions of DOS and versions of Microsoft Windows prior to Windows 95 and Windows NT 3.5.

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The list above answers the following questions

Environment variable and File Control Block Comparison

Environment variable has 165 relations, while File Control Block has 31. As they have in common 16, the Jaccard index is 8.16% = 16 / (165 + 31).

References

This article shows the relationship between Environment variable and File Control Block. To access each article from which the information was extracted, please visit: