Welcome to our file directory. Here you can find a lot of system files for Windows such as DLL-files, OCX or INF.
WHAT IS DLL FILES ?
A DLL file (dynamic Link Library) is a compilation of small programs that are used by executable files and other programs when performing certain tasks. Through these files, numerous programs can divide up the abilities programmed in a particular file. This file allows the executable program to communicate with a particular device for example a printer to do certain functions. In answering the question what is DLL files, the following must be highlighted.
When an executable program requires some space in the hard drive, it calls on the DLL file that has that particular function and parameters plus a call function and the DLL will inform the program of the available space in the hard drive. This process allows the program (Exe) to be lesser in size and should not have already existing information for it to be stored in the hard drive. This process also saves the space in the hard drive as it stops an exe from writing all the source code.
The major benefit of these files is that they are not stored in the RAM (Random Access Memory). This therefore means that space in the RAM is saved. When a DLL file is needed to perform some task for example when printing, the printer DLL file doesn’t necessitate it to be loaded into the Random Access Memory but instead the printer DLL file is called upon and printing can start.
It is important to note that if a DLL file or a certain exe program is the wrong version of your Operating System, it may lock up your machine. Such cases may occur if a call is made incorrectly. To solve this problem, a tool called system sentry can be used. It shows the available calls for that particular program. It can also establish the version of a particular DLL.
In summary, the above discussion clearly answers the question what is DLL files and how important they are in running programs in computers.
WHAT IS OCX FILES ?
If you are a windows user, you have probably come across file types with the extension .ocx on your hard disk. So what is .ocx files?
The extension name .Ocx comes from a shortened version of Object-Linking & Embedding Control Extension. This kind of file is also known as ActiveX files. As stated above, they are mostly associated with the Windows operating system, notably Windows XP and Windows 7.
Windows OCX files
.Ocx files are system files that allow the user to carry out special functions in windows operating system, such as scrolling, shutting down windows and minimizing windows. These files, when contained in a program, effectively increase the usability of the file. The most common of .ocx files perform functions such as magnifying and minimizing.
Third Party OCX files
Not only are .ocx files used in operating system software, they may also be embedded in your software during development. In this case the .ocx carries out plug-in functions. For example, a program developer may create a .ocx file to “tell” the program how to access the internet. Such .ocx files from third-party software are mostly seen with video games, photo editor software and internet browsers.
Registering .ocx files
If you are using third-party software that uses .ocx files, you may need to register it. This is also true if you keep on getting .ocx error messages.
The following process can be followed in order to register .ocx files:
– Find the location of the ocx file. Usually, it is under the SYSTEM32 folder in the local drive. You may find this folder by using the “Run” command or the search function in your computer.
– Right click on the specific .ocx file that you wish to register and then choose “Open With”. Choose “select from list”.
– Go and select Regsvr32.exe and select Ok. Doing this will register the .ocx file.
WHAT IS INF FILES ?
An INF file is nothing but a file which consists of setup information. INF stands for information. It is basically a simple text file which is mainly used by Microsoft Windows in order to install certain drivers and software. The installations of device drivers are mainly take care of by these INF files which are used for the hardware components. The installations which are completely INF based are created by the help of IExpress.exe which is exclusively used by Windows. Windows Setup API comprises of these INF files.
The structure and size of INF files is totally identical to that of INI files. These files are comprised of different sections that mention each and every file that need to be copied and even the changes that are need to made to the registry. There is a signature value section present in each and every INF file and this value helps to specify the particular version of Windows about which the INF file is concerned about. The remaining sections of an INF file are basically user defined and they contain information that is specific to the installed component.
Best example of an INF file :
An INF file similar to the above example helps to automatically open program.exe file that is present in the root directory and connects it to the computer. This is at times very dangerous because people cannot tell if the file exists before media insertion takes place. INF files are usually very dangerous for Windows 2000 users because they allow certain viruses to autorun and this is done without prompting. Installation scripts are not present in windows INF files. Customized software installation ideas and instructions are provided by the INF files. INF files helps to specify the exact files that need to be downloaded in order to make the correct components to run.
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