Comparative study of different operating systems There

Comparative study of different operating systemsThere are different type of operating systems such asWindows:Windows from Microsoft is used 80 to 90 percent in desktop computers. Windows is user friendly, having large hardware support and the large amount of softwares available for it.windows is closed sourceADVANTAGE OF WINDOWS :1.

many changes are brought in Microsoft windows makes it easy to use operating system or easier than linux command based. 2.Many software programs ,utilities and games for windows are available Because of the huge amount of Microsoft Windows users3.Microsoft Windows includes its own help section, has vast amount of available online documentation and help, as well as books on each of the versions of Windows.

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Disadvantages of windows:Microsoft Windows has made great improvements in reliability over the last few versions of Windows, it still cannot match the reliability of Linux.Microsoft has made great improvements over the years with security on their Operating System, their Operating System continues to be the most vulnerable to viruses and other attacks.Unix/Mac OS X :it’s built differently than Windows, programs made forWindows won’t work under Mac OS XIt doesn’t get Windows viruses because of its design (Unix) so it is more saferIt also supports many peripherals attached to it making easy to use with cameras and printersAdvantages:It offers good and efficient level of virtual memoryUNIX is portable operating system can run on both pc and Macintosh computersEasy to use Less prone to viruses etcLess prone to hardware issuesWith boot camp you can run XP or Vista on your machine, and with Parallels you can run windows programs in OS XDisadvantages:More costly than windows or other OSLess hardware and software optionsThe traditional interface for UNIX is command line as it was developed for programmer usage ,In addition graphical user interface is also availableMany commands in UNIX are special characters and can have greater effects on UNIX machinesThere are usage restrictions in its license due to hardware support in specific areas.Mac OS X runs only on those system that are made by APPLE such as IMAC and MINI etcThis makes it costly as Apple PC’s are more expensive than other HP or DELL PC’s.Linux:Linux OS is open source and freely available to everyoneLinux is and has always been a very secure Operating System. Although it still can be attacked when compared to Windows, it much more secure.

So you can find any bugs/errors , security holes and other problems within the source code, and either fix it themselves or give their findings to some professionalLinux open source it is characterize by general public software which allows user to create and redistribute software freelyLinux has flexibility and power of unix or you can say it is unix like replacement with open sourceLinux has fine hardware support and features such as GNOME,KDE, XFCEThere are many applications that work on Linux for example open office org, pidgin and Gimp.DISADVANTAGE OF LINUX:Linux has been improved in ease of use but windows is still easier to use for new computer user Android OS:The android OS is derived from Linux kernel as memory management and process management are similar .Kernel act as hardware abstraction layer between hardware and android software stackIt is designed for mobile operating system,touch screen ,smart phones and tabletsFeatures and advantages:Android use touch input and virtual keyboard. It have android storeAndroid is open source code and is available for all developerIt allows users to develop their own apps and can install and use their own applicationsIt is in 2D and 3D format to provide good result in video and gamingAndroid support different languagesIt support faster web browser and easy web servingFaster data connection enables video callingEasy usage of tools as volume button can be used to take photoIt provides notifications and updates and there is no need to application refresh for checking updateStability and security is better than other mobile OS as it linux basedDisadvantages as compared to Microsoft windows and IOS of apple:Android make use of processes fast and efficient this makes processor to heat up, heat can be reduced but it is not useful when we operate it for long time at low batteries When we are using android app there are adds in between add can be placed by some logic and phones information can be interruptedApple IOS:Apple OS is mostly used in smartphones. It runs on apple hardware including iphones, ipads tablets and ipod touch multiplayers..In apple OS there is app store from where we buy apps and free softwares

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