JAR and SMC File

JAR and SMC File Extensions

As we discussed in the previous post, a file extension is the suffix added to the end of a file name, which allows the computer operating system to recognize the format the file has been saved in, and which program is needed to open it. File extensions can also help users to quickly see what format the file is saved in, without having to open it first. But many computer newbies always have problem understanding file extensions.

File extensions are optional and some operating systems either hide the extensions (such as Windows XP), or in the case of systems like Mac OS do not use them at all, and instead utilize a file type code (which can only be viewed and changed with specialized software) to store format information.

A common problem with Windows operating systems is a filename extension error. This usually means that the system cannot recognize the filename suffix for some reason, and there are several websites that offer free system scans so that you can identify and resolve any file extension errors. Another reason for a filename error could be that you do not have the correct program loaded onto your system to open and run that particular file (e.g. Adobe Acrobat Reader is required to open .PDF format files).

There are hundreds of different file extensions in use, and the list is growing all the time. There are several online resources that provide detailed information on the various types of filename extensions, and which formats they represent. For example the file extension JAR relates to a Java application file that has been compressed using the .ZIP program so that it can be stored and archived. The file extension SMC relates to a format that has been produced by the games company Nintendo, in order to format Super Nintendo console Rom images (SNES ROM). These SMC files can be used in conjunction with a Nintendo emulator in order to play Nintendo games on a PC system. 

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