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    Provides user interface

                            The interface can be Character User Interface (CUI) or Graphical User Interface (GUI)
                         Runs applications through

                            Multitasking

                            Foreground and background applications

                      Utility Software
                      Utility software are provided as a part of the operating system. They are specifically designed

                      to manage the computer hardware, operating system and application software. Some of the
                      utility software are:
                      Backup Utility

                      Backup utility software or backup software is a computer program that copies your files, folders,
                      databases, or even your entire system for emergency. Windows Backup and Restore is the default
                      Windows backup utility.

                      Data Compression Program

                      It is used to compress a large file into a file of smaller size and can be transferred from one
                      computer to another so that it occupies less space and is easy to store. Winzip and Winrar are
                      examples of this software.

                                                            Winzip          Winrar

                      Disk Defragmenter

                      The memory of a computer is divided into small blocks. The files are stored in continuous blocks
                      of space on the hard disk. When a file is deleted from the computer, a part of that space becomes
                      free. When a new file is saved on the computer, some part of it is saved on the first available
                      free space in the memory. After some time, the files get stored in various fragments which slows
                      down the speed of the computer. The Disk defragmenter organises the fragments of files into

                      continuous blocks to improve the performance of the computer.

                                                  Fragmented Disk            Defragmented Disk

                      42    Premium Edition-VII

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