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Friday, 26 November 2010

Operating system updates - Windows vs Linux vs OS X

Posted on 02:11 by Unknown
I run Windows and Linux on PCs and OS X on the Apple Mac. All operating systems are frequently updated with bug fixes, patches and occasionally feature additions too. Each OS has a built in automatic facility to check for the availability of new updates and to download and install them. The question is, which operating system has the biggest updates requiring the most time to download and install, which has the most updates, and which has the smallest and the least? Running Windows, Linux and OS X every day means that I get to download a lot of updates and it is interesting how each OS is different.

If there was a prize for the biggest updates then Apple would win hands down. It's updates are huge, really huge. Security Update 2010-007 is 240Mb, but that's not big, that's a small update for Apple. Mac OS X 10.6.5 Combo Update is 977Mb. Yes, that's near enough a gigabyte! A combo update is really like a service pack that contains everything but the kitchen sink and if you keep your system regularly updated then you only need the regular Mac OS X 10.6.5 Update at a mere 644Mb.

Those aren't the only updates - they're just the latest ones and there have been many more throughout the year. Every time Apple adds some minor feature to iTunes that I'll never use I'm prompted to download the whole installation package again and it's currently 90Mb. Apple seems incapable of updating a single module and if one tiny thing changes in the OS or an application you have to download and install the whole thing again.

Another irritation is that Apple's Software Update tends to hog the internet bandwidth and it really slows down the computer - for hours if you're on a slow internet connection.

I run Ubuntu Linux mostly and keep it up to date. I've had to change the default settings for the software update facility though, because there were just too many. Every week there was an update. In fact, Ubuntu has just announced that it will be updating daily! Do people really want this? Fortunately, Linux is a small and compact operating system that is a fraction of the size of Windows and OS X, and the updates aren't too big. Certainly nowhere near the size of Apple's.

It is common for people to complain about the number and size of Windows updates, but the complainers are often Apple or Linux fanatics. I have found that Windows 7 updates are less frequent than Linux and smaller than Apple's. In fact, I hardly notice them. Windows checks for updates and downloads them in the background without interfering with what you are doing or hogging the bandwidth. It clearly has the best OS update system and the only thing you notice is that occasionally when you shut down the computer, it takes a little longer because updates that Windows downloaded in the background without you noticing are being installed. You don't have to sit and watch it and you can walk away and leave it too, because it shuts down when it has finished. Linux and OS X require you to click buttons and restart.

So for simplicity, size and frequency, Windows 7 wins, Ubuntu Linux is second and OS X 10.6 is third.
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Posted in Apple, Linux, Mac, OS X, Windows, Windows 7 | No comments

Friday, 5 November 2010

Free anti virus for the Apple Mac

Posted on 15:21 by Unknown

Sophos has just released Anti Virus for Mac Home Edition. This is interesting for two reasons and the first is that it is free of charge. As the name implies, it is for home users and it can't be used in a business environment, at least for free anyway. Browse the website and you will find editions for businesses that can be purchased. The second point is whether the Mac needs anti virus software in the first place. Are there any types of malware out there that are targeting the Apple Mac? Yes, but still there isn't much and it is not on the scale of what is around for Windows, so is it necessary?


It is free software and therefore it's not going to cost you anything to protect your Mac, so why not go ahead and install it. I've been using a Mac for years without any anti virus or anti spyware software and haven't been infected by any malware yet. That doesn't mean that it doesn't exist or that I won't get caught tomorrow. However, there are a lot of unprotected Macs like mine and they don't get viruses. I think it's still too early to think about anti virus software.

One thing that might concern you is that you might pass on viruses to others. For example, you could download some software that is infected with a Windows virus. It would be inactive on the Mac, but you could pass on the file to a Windows user who then gets infected. Even more easily, an email you receive and forward to someone else could infect their computer. You might therefore want to install Mac anti virus software to protect your Windows friends (or maybe not!).
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Posted in Apple, security, Windows | No comments

Wednesday, 3 November 2010

The ups and downs of web browser market shares

Posted on 13:20 by Unknown
It is interesting to see which web browsers people are using and to look at the trends. Which browsers are gaining market share and which ones are losing? Websites gather information about their visitors, but don't worry, they can't tell who visits, just which browser they are using (amongst other information). It's just part of the functions of the web server software that's running. It's hard to say how representative this website's visitors are of the wider general public, but there is Windows, Linux and Apple Mac content here, so presumably there are a wide range of visitors using all three computing platforms. So who has the biggest market share, which browser are people flocking too and where are they coming from? There are clear winners and losers.



The data shown is for October 2010 and if you click the image you can view it full size.

Firefox is clearly the most popular web browser with a 34.76% share of the market. Interestingly, this has not changed since March 2010 and the figure is almost identical. The same is true of Safari and it's 28.41% market share is unchanged since March 2010.

When it comes to Internet Explorer and Google Chrome though, there is a clear winner and a loser. From March to October Internet Explorer's market share has fallen from 22.83% to 17.77% while Chrome has grown from 8.85% to 15.36%. That's quite a big swing, so while Firefox and Safari are unchanged, many people appear to be switching from Internet Explorer to Google Chrome. Opera is down 1% too, so some Opera users have also switched to Chrome too.

With Chrome almost doubling its market share since March, it's easy to see the trend. It's stealing Internet Explorer and Opera users.
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Posted in Apple, Google, Windows | No comments
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      • Free anti virus for the Apple Mac
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