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An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system. Application programs usually require an operating system to function.

Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.

For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.

Examples of popular desktop operating systems include Apple OS X, Linux and its variants, and Microsoft Windows. So-called mobile operating systems include Android and iOS. Other classes of operating systems, such as real-time (RTOS), also exist.

In a throwback to the ’90s, NTFS bug lets anyone hang...

It's like the c:\con\con bug all over again.

Windows switch to Git almost complete: 8,500 commits and 1,760 builds...

The Windows team's migration to Git is almost complete.

The A-EON Amiga X5000: An alternate universe where the Amiga platform...

A modern Amiga computer emerges that is both modern and an Amiga.

Windows 10 S: no command line apps, free Pro upgrades for...

Locked-down operating system blocks access even to some built-in Windows software.

Waah! WannaCry shifts the blame game into high gear

More and more, information security seems to be about finding someone to blame for the latest crisis.

The blame game was in full gear within hours of the WannaCry ransomware outbreak, and even after a few days therersquo;s still a lot of anger to go around. People want heads to roll, but that wonrsquo;t help contain the current damage or spur improvements to minimize the impact of future attacks.The WannaCry ransomware successfully infected so many machines because it crafted the malware to use multiple infection vectors, including traditional phishing, remote desktop protocol (RDP), and a vulnerability in the SMB protocol.
It took advantage of the fact that people donrsquo;t always recognize phishing links, and that many systems arenrsquo;t running the latest versions of applications or the operating system.To read this article in full or to leave a comment, please click here

What developers can expect at Google I/O 2017

At todayrsquo;s Google I/O conference, developers will get insights into Googlersquo;s Android Studio, Firebase tools, and Android Instant Apps.

Developers and users alike will learn more about the forthcoming Android O operating system, changes to the Google Play Store, and likely the Google-Mozilla progressive web apps concept.To read this article in full or to leave a comment, please click here

macOS 10.12.5 update fixes bugs, supports Windows 10 Creators Update in...

Also makes Mac App Store tweaks to support "future software updates."

How to make sure your Windows PC won’t get hit by...

You need to get your Windows computer protected against WannaCrypt and its ilk. Here are detailed instructions on how to see if you need patching and, if you do, how to get patched.By far the easiest method is to simply run Windows Update and install all important patches. You may not be able to do thatmdash;or may not want to do thatmdash;for several important reasons:You may not want all of the latest patches, whether for compatibility reasons or because you donrsquo;t trust Microsoftrsquo;s additional snooping in Windows 7 and 8.1 Monthly Rollups If yoursquo;re using Windows XP or Windows 8, Windows Update doesnrsquo;t work If yoursquo;re running Windows 7 or 8.1 on a newer computer (Kaby Lake and Ryzen processors, as well as several others), Microsoft may have gratuitously blocked Windows Update You may have problems running Windows Update for myriad reasons, and you donrsquo;t want to futz around with figuring out the reason or resetting while the threat lingers [ From backup to productivity tools, check out the top 30 free apps for Windows 10. | Download the superguide to Windows 10 installation. | Stay up on key Microsoft technologies with the Windows Report newsletter. ]Your approach to checking if you need the patches, and then installing them, will vary depending on your operating system.To read this article in full or to leave a comment, please click here

How to make sure your Windows PC won’t get hit by...

You need to get your Windows computer protected against WannaCry and its ilk. Here are detailed instructions on how to see if you need patching and, if you do, how to get patched.By far the easiest method is to simply run Windows Update and install all important patches. You may not be able to do thatmdash;or may not want to do thatmdash;for several important reasons:You may not want all of the latest patches, whether for compatibility reasons or because you donrsquo;t trust Microsoftrsquo;s additional snooping in Windows 7 and 8.1 Monthly Rollups If yoursquo;re using Windows XP or Windows 8, Windows Update doesnrsquo;t work If yoursquo;re running Windows 7 or 8.1 on a newer computer (Kaby Lake and Ryzen processors, as well as several others), Microsoft may have gratuitously blocked Windows Update You may have problems running Windows Update for myriad reasons, and you donrsquo;t want to futz around with figuring out the reason or resetting while the threat lingers [ From backup to productivity tools, check out the top 30 free apps for Windows 10. | Download the superguide to Windows 10 installation. | Stay up on key Microsoft technologies with the Windows Report newsletter. ]Your approach to checking if you need the patches, and then installing them, will vary depending on your operating system.To read this article in full or to leave a comment, please click here

Google-blessed Android infotainment system comes to the car

Move over Android Auto: vehicles can now run Android directly as an OS.

Op-ed: Google should take full control of Android’s security updates

Itrsquo;s time to cut carriers and OEMs out of this part of the process.

Google hopes to fix Android updates (no, really) with “Project Treble”

Android's "Vendor Interface" will finally separate the OS from the hardware.