Common File Type!


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User Guide


System Requirements


Processor : Pentium Class

Operating System : Microsoft Windows 7/Vista/2003/XP/2000/NT4 (SP6)

Memory : Minimum 256 MB (512 MB recommended)

Hard Disk : 10 MB of free disk space

Internet Explorer : Version 5.0 or above



File Extension Info!


System Files

A system file is the collection of data that can easily be read or write, basically it is a program that is helpful to create and write text, provides those data that are required by the user. Its basic purpose is to provide printers, application, commands and application programs that are stored in the files. These files are used to provide input and output information in the operating system. It is used to have collection of the files that are stored in the directories.

System files are created and maintained by the operating system and therefore necessary for the system to be performed. These files can only be changed with the help of root authority. But sometimes due to some reasons these system files get corrupted and the basic reason for this corruption is improper system shutdown, NFS write errors, hardware failure, malfunctioning of hardware. It is very important to keep in mind that the proper system shut down is very important this is because the mounted file system off-line or physically write-protecting a mounted file system can corrupt the disk. In this condition hardware failure can occur due to the power outage, accidental unplugging of the system, bad disc controller.

     

Due to all these reason the stored data and files may become inaccessible, but it can be resolved easily.

Some important file extension that are used in the system files are discussed below:

.cab – It is also known as “Windows Cabinet File”, it is Archive format that is native to MS Windows that contains compressed data usually in the file extension as .zip. It is basically used for the Windows software installation like network components, device drivers and system components. It supports Windows operating system, Mac OS and Linux.

.cpl – It is also popular as “Windows Control Panel”, such as Mouse, display, sound and networking that are used by Windows operating system that are stored in “Windows –system” that are loaded automatically. It supports Windows operating system.

.cur – It is also known as “Windows Cursor” it is used as cursor image and animation that are used for the Windows mouse pointer it may be like an arrow, spinning hourglass. User may change the cursor image/animation. It supports Windows operating system.

     

.dll – It is also popular as “Dynamic Link Library” It is a compiled library file that contains a set of procedures and the drivers which are referenced and executed by a program, which allows multiple programs to be executed through shared system and through common libraries. It is supported by Windows operating system.

.dmp – It is also known as “Windows Memory Dump”, usually the data dump from the program’s memory space also creates programs that have errors and crash that may also be saved by the program. It may also be used for troubleshooting the system errors and many other problems. It supports Windows operating system.

.drv – It is also known as “Device Driver” that is especially used by Windows operating system to connect and communicate with the hardware devices and can be used for both external and internal and has parameters to operate the device to check the operating system. It supports Windows operating system.

.key – It is also known as “Security Key” it contains the information and security code of entire software program that are often created by the program when registered. It supports Mac OS and Windows operating system.

.lnk – It is also popular as “File Shortcut”, basically it is shortcut that is used by the Windows as reference to the original file. It is similar to the alias that is used on Mac platform; it is helpful in creating the shortcut key. It supports Windows operating system and Mac OS.

.sys – It is also known as “Windows System File” It is helpful in storing the system setting and variable that is used by DOS and Windows Operating system, it is also used to run the operating system. It supports Windows operating system and Mac OS.

Gather more information related to settings file format extensionon Settings Files Page

     

Other file extension that are used in System files are as follows:

Extension

File Extension Name

Popularity

0.386

Windows Virtual Device Driver

Rare

.8xu

TI-83 Plus Operating System File

Uncommon

.adm

Administrative Template File

Average

.ani

Windows Animated Cursor

Average

.ann

Help Annotations

Average

.aos

ARCHOS PCtablet Firmware File

Uncommon

.bio

BIOS File

Uncommon

.bmk

Help Bookmarks

Uncommon

.bom

Mac OS X Bill of Materials File

Uncommon

.cgz

Linux Drivers Archive

Average

.clb

COM+ Catalog File

Average

.cnt

Help Contents File

Average

.cpi

Codepage Information File

Average

.crash

Mac OS X Crash Log File

Average

.desklink

Desktop Shortcut

Average

.dev

Windows Device Driver File

Average

.dss

DCC Active Designer File

Average

.dvd

DOS Device Driver

Average

.dyc

Xerox Printer Driver Configuration File

Rare

.emerald

Emerald Theme

Uncommon

.ffa

Find Fast Status File

Uncommon

.ffl

Find Fast Document List

Uncommon

.ffo

Find Fast Document Properties Cache

Uncommon

.ffx

Microsoft Find Fast Index

Average

.fpbf

Mac OS X Burn Folder

Common

.ftg

Full Text Group

Average

.fts

Full Text Search

Average

.grl

Windows Update Status File

Rare

.grp

Windows Program Manager Group

Average

.hdmp

Windows Heap Dump

Average

.hhc

HTML Help Table of Contents

Average

.hhk

HTML Help Index

Average

.hlp

Windows Help File

Common

.hpj

Help Project File

Average

.htt

Hypertext Template File

Average

.icl

Windows Icon Library File

Average

.icns

Mac OS X Icon Resource File

Average

.ico

Icon File

Common

.idx

Index File

Average

.ins

Internet Naming Service File

Average

.ion

4DOS File Description

Average

.its

Internet Document Set

Average

.kbd

Keyboard Layout Script

Average

.kext

Mac OS X Kernel Extension

Average

.ko

Linux Kernel Module File

Average

.log1

Windows Registry Hive Log File

Average

.log2

Windows Registry Hive Log 2 File

Average

.manifest

Windows Visual Styles File

Average

.mapimail

Send To Mail Recipient

Average

.mdmp

Windows Minidump

Average

.mem

Parallels Desktop Memory Dump File

Uncommon

.metadata_never_index

Spotlight Never Index File

Uncommon

.mi4

Audio Player Firmware File

Average

.msc

Microsoft Management Console Snap-in Control File

Average

.msp

Windows Installer Patch

Common

.msstyle

Windows XP Unsigned Style

Uncommon

.msstyles

Windows XP Style

Average

.mui

MultiLanguage Resource File

Average

.mum

Windows Vista Update Package

Average

.mydocs

Send To My Documents

Average

.nfo

System Information File

Average

.nls

Microsoft National Language Support File

Average

.nt

Windows NT Startup File

Average

.p7b

PKCS #7 Certificate File

Average

.panic

Kernel Panic File

Uncommon

.pdr

Windows Port Driver

Average

.pfx

PKCS #12 Certificate File

Average

.pid

Creative Driver File

Average

.pk2

Silkroad Online Game Data File

Average

.pol

Windows Policy File

Average

.ppd

PostScript Printer Description File

Average

.prefpane

Mac OS X System Preference Pane

Average

.prf

Windows System File

Common

.prt

Printer Driver File

Rare

.pwl

Windows Password List

Average

.qvm

Q Virtual Machine

Rare

.reg

Registry File

Average

.rmt

Router Firmware File

Average

.ruf

Samsung DVD and Blu-ray Player Firmware File

Rare

.savedsearch

Spotlight Saved Search

Average

.saver

Mac OS X Screen Saver

Average

.scf

Windows Explorer Command

Common

.scr

Windows Screensaver

Average

.sdb

Custom Application Compatibility Database

Uncommon

.str

Windows Screensaver File

Rare

.swp

Swap File

Average

.sys

Motorola Driver File

Average

.theme

Microsoft Plus! Desktop Theme

Average

.vga

VGA Display Driver

Average

.vgd

Generic CADD VGA Driver

Average

.vxd

Virtual Device Driver

Average

.wdgt

Dashboard Widget

Average

.wer

Windows Error Report

Uncommon

.wpx

Printer Description File

Average

.xrm-ms

Microsoft Security Certificate

Uncommon

     


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