Microsoft Windows is a succession of graphical interface operating systems developed, marketed, and sold by Microsoft Corporation. The company introduced an operating environment named Windows as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs), on November 20, 1985. The most recent client version of Windows is Windows 7; the most recent server version is Windows Server 2012; the most recent mobile version is Windows Phone 7.5. An operating system (OS) is a compilation of software that manages computer hardware resources and gives common services for computer programs. It is a very significant component of the system software in a computer system. Application programs need an operating system to function. It can be sorted out by technology, licensing, ownership, working state, usage, and by many other characteristics, and it can be found on almost any device that contains a computer, from cellular phones and video game consoles to supercomputers and Web servers.
DIY DataRocovery CHK-mate is use to recover lost files due to bad disks or damaged by your volumes and return the file system to a consistent state which occurs after crash of the operating system. When the file system is verified, clusters of lost or cross-linked will be set to 'available' then these clusters will be saved to a '.CHK file'. Before deleting garbage contain in CHK files, examine them first for these may contain the contents of your lost files. This application recognizes the following file types by default (JPG, GIF, ZIP, CAB, EXE, DLL, OCX, WRI, BMP, DOC, PPT, XLS, HTM(L), WAV, MID, AVI, RAR, TIF and MP3).After recognizing the contents, CHK files are then copied to a new file with correct file extension that will enables you to open the file using the associated program. You can also have the option to extract all the readable text from the CHK file if its contents cannot be linked to a known file type.