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File type: System

 

In the case the operating system crashes before it completely shuts down it usually creates what is known as a dump file that contains the exact information and data of all the registers and status of the running applications as well as the status of the system processes that were running at that point just before the operating system crashed.

Along with that it usually also includes some additional human readable data that describes briefly what the error was and what steps should be taken to recover from the error.

These dump files however mostly contain very specific data regarding the machine on which the operating system is installed and what the exact state of the operating system was right before it crashed so that the exact scenario could be reproduced in order to better understand the reasons behind the crash and if possible fix the bug.

This dump file usually should be sent to the vendor since they can make more sense out of it and perhaps offer help in fixing the problem.

These files are usually compressed so as to take minimum possible disk space. This file is usually stored right along with the .HDMP file which is the same file only that its uncompressed.

 

Detailed information 

Category: Data File.
File format: Proprietary
Open with Windows: Visual Studio .NET, Microsoft Dumpflop Utility
Open with Linux:


File type: Image

 

MDI files are very high resolution graphics format that is based on tags and was developed from TIFF format. Microsoft Office uses this file format for saving documents that had been scanned using a scanner.

It can be converted into Word documents (.doc) or alternatively into Optical Character Recognition (OCR) format however saving the files in TIFF format allows to create images that are more compatible and can easily be imported in other applications for graphics editing.

 

Detailed information 

Category: Data File.
File format: Proprietary
Open with Windows: MDI Viewer, Microsoft Office Document Imaging
Open with Linux:


File type: Java Archive

 

Open JAR File

These are java archive files that contain all the necessary files for the running of a java application. The JAR files are used for packaging, deploying as well as distributing java applications easily.

It is essentially a compressed file format which uses the ZIP compression algorithm to compress the files together into a single archive file. JAR files have a prescribed directory structure and come with certain specific files that helps identify the JAR file.

These also contain certain configuration information which help the Java Virtual Machine to run the jar file as an application. These JAR files can be digitally signed as well. For running these files it is required that the Java Runtime Environment should be installed on the computer.

JAR files are also often used for packaging and distributing java libraries which can then be referenced by java applications and taken advantage of for use in themselves.

It helps modularizing the java applications and separating or segregating the various parts of the application which are not dependent on each other but help the applications separate needs. JAR files are also used by the Mozilla Firefox, SeaMonkey, Thunderbird as well as the Sunbird application to store information such as themes and add-ons.

 

Detailed information 

Category: Data File.
File format: Proprietary.
Open Jar file with Windows: WinZip, Java Runtime 1.1 or later, Web browser with Java support
Open with Linux:
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