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Answer by Trevor J
One leg is both the same.

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Answer by David D
The differences are vast and need books to explain. They can’t be summed up in one or two sentences.

Update: There is very little difference in what they are used for – except that PHP is used less outside server side web programming then the others.

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Before you can narrow your search for a web hosting service, the single biggest decision facing you is the type of operating system you are interested in.  This decision alone will narrow the field down of potential provider significantly, and narrow down the packages you will be researching and comparing.

In general, there are several major criteria used when selecting and web hosting service, and these are all impacted by the operating system:

Performance Features Stability Price

Traditionally UNIX was the hosting service of choice due to its advantage in these four areas, but the gap between the two big operating systems as a hosting choice continues to close and get blurred quite often.  Here is a breakdown of where they stand today:

Performance

UNIX systems still tend to win in this area, due to several key factors – memory (RAM) requirements and OS tune ability.  Windows was developed as an operating system to make it easy for wide range of people to use, from the highly skilled to the less computer inclined.  UNIX was developed more for server usage, and the average skilled computer person would not be able to use and manage this OS on a daily basis.  Because of this difference in background, UNIX will perform better as a server than a Windows box on the same hardware – Windows needs more RAM to compete with UNIX, but UNIX will still beat it out due to its ability to tune virtually everything, down the very core of the OS itself.

Let me be clear about this, I am not saying that UNIX is a better OS than Windows, just that it is a better performing hosting environment.  Windows beats UNIX out in usability, development tools, maintainability, and many other areas.

But don’t stop reading here – performance is the least of your concerns when choosing a web hosting service.  Because you will most likely be choosing a shared hosting environment, you have very little control over the resources of the machine as related to your hosted website – you will be sharing memory, hard drive access, CPU, and network bandwidth with hundreds of other websites anyway.  At any given moment in time one of the other websites might be spiking in activity and cause your website to response slowly.

In a virtual private server or a dedicated server, UNIX would be the best choice in the performance category, but in a shared environment the gap is not a factor.

Features

Both Windows and UNIX come fully loaded with a wide range of features, and quite a few are shared between the two.  If you were to manage the machine directly, you would most like choose Windows due to its easier to use interface.  But this is not the case when speaking of a web hosting account.  All hosting companies use a control panel to allow users to manage their account and websites, and all of the control panels are web based, and many are cross-platform.  All of these control panels are identical in functionality – they provide a web user interface to all of the underlying OS, web server, and files on the hosting service.  Both operating systems support remote access (UNIX with telnet/SSH shell, Windows with Remote Desktop) and ftp file management as well.

The biggest difference in features between the two operating systems is the development tools available.  Both support the major scripting languages used to create websites such as PHP, PERL, Python, Ruby, and Java.  Both support extensions popular for adding to websites such as ColdFusion, FrontPage Extensions, Flash, etc.  Both have support for the free MySQL database, which usually resides on a separate machine at the hosting company anyway.  Windows has the advantage here in that is supports ASP, ASP.Net, ASP MVC, and MSSQL databases as well.  These are tools specific to some applications and may be a major requirement for you – obviously making this decision between the two operating systems easy.  Most Windows based web hosting packages will offer, at some price point, unlimited MySQL databases with unlimited disk space, but limited MSSQL databases with limited disk space.  This is due to the licensing requirements of MSSQL causing more expenses on the part of the web hosting service as the use more MSSQL databases for their customers.  MySQL and MSSQL are virtually identical in performance and features – just like the operating systems they differ mainly in the area of price and management abilities.

UNIX does have a slight advantage in many of the scripting languages due to its ability to compile into the web server (Apache, open source) the extensions needed to run the scripting languages.  Windows cannot due this with its web server (IIS) since it is a commercially sold application.  Windows and IIS must run most of the scripting languages as a CGI extension, which means they are launched as an external process to the web server, requiring slightly more startup overhead each time they are needed.  Microsoft has acknowledged this shortcoming with the latest IIS (version 7) and allows these scripting extensions to be more in process.  In the big picture it does not make much difference either way since this is really getting back into the area of performance – refer back to the prior discussion performance as to why it is of not much importance in a shared hosting environment.

UNIX has a slight advantage in available installable applications – most of the open source website projects (blogs, content management systems, shopping carts, web site builders)  install smoother under UNIX since they assume you are using other open source tools (Linux, MySQL, Apache).  Installing some of these on a Windows operating system require extra configuration or help from the web hosting support staff.  With the growth of cross platform control panels, this problem is shrinking over time.  Also there are Windows specific open source projects available for every need of your website that install clean and function nicely – but they may be younger and less developed than the UNIX counterpart.

Windows is the operating system of choice based on features, especially in the shared hosting environment and if you need any of the Microsoft technologies (ASP, ASP.Net, ASP MVC, MSSQL) to run your website.   Be careful if you have a need for one of the older scripting technologies (PHP, PERL, Python, Ruby) on a Windows hosting, they may not be available or perform poorly.

Stability

Windows has traditionally been dinged in the past in this area, but mainly due to its desktop operating systems, not its server operating systems.  Windows hosting packages will be running either Server 2003 or Server 2008, both of which do not have stability problems.  The desktop stability problems are mainly not Microsoft’s fault – almost every desktop Windows user is guilty of installing a wide range of various software packages and drivers, rendering the machine over time to be a blend of software that has never been tested with each other.

UNIX has traditionally and still shines in the area of stability – again due to its background of being developed as a server operating system.  It also has advantages over Windows in that complete server reboots are rarely needed as part of a installation of a third party software package – it has clearly defined system component drivers that can be rebooted without requiring a complete system reboot.

Both operating systems are equal in the area of stability – even in the shared hosting environment they both have adequate safeguards against individual websites on the same machine from causing harm or abruptly stopping the server.

Price

Windows still remains a slightly more expensive operating system to sell hosting accounts out of for two reasons – licensing and RAM requirements.  Web hosting companies have more expenses on a Windows server that hosts 100 websites than it does on a Linux server hosting 100 websites.  Typically companies also carry a Microsoft support agreement with annual expenses as well as the upfront licensing expenses of Windows – even though they all require a staff of knowledgeable and skilled technicians to manage the bank of servers regardless of the operating system.

Windows is also slightly more expensive with database support for you website – most web hosting offer a UNIX hosting package at some price point with unlimited MySQL databases and database disk space, but very few offer a Windows package at any price point with unlimited MSSQL databases and database disk space.  So if your website grows and needs more databases and disk space, you may be locked into paying a higher fee per month with MSSQL and Windows than you would with MySQL.

UNIX has the advantage in pricing, even though some hosting companies do now sell Windows and UNIX based accounts at the same price point, but most still have a slight increase of monthly fees for the Windows packages.

Summary

Let me be clear about this:  the choice of hosting your website in UNIX or Windows has nothing to do with the desktop operating system you use on a daily basis.  It has nothing to do with the management interface you will use to manage your website and hosting account.  It also is not about which operating system is better than the other.  Some people have a religious fervor for one or the other, but they are both just tools in the toolbox.  Which is better, a hammer or a screw driver?  It depends on the job at hand.

So here is a review of how the operating systems are in the four areas of criteria used when selecting and web hosting service:

Performance:  Tie in Virtual or Dedicated server, UNIX in a shared environment Features:  Windows, based on addition of Microsoft

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http://www.threehosts.com/reviews/1st 

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All websites today currently run on either a Windows web server or a Linux-based server. The vast majority of websites run on a Linux-based platform as Linux has a strong reputation for security and web server performance. 

With standard (static) HTML-based websites, the web hosting platform doesn’t make much difference. When it does make a difference, however, is when the website uses a dynamic scripting technology such as ASP (A Microsoft based technology), or PHP / PERL (Linux based technologies). A Windows-based hosting solution will run a Microsoft Windows server with IIS (Internet Information Server), and is necessary to run an ASP / ASP.NET scripted website. A Linux-based platform is typically used for PHP, Perl, and most other types of websites.

Basically, unless your website uses ASP (pages ending in the .asp extention), Windows hosting is not necessary.

http://www.threehosts.com/reviews/1st 

Reviews & Discount Coupon

 Web host awarded the “Best Web Hosting OF The Year”

Take into consideration that web hosting is a global service. It does not matter what country you are located in; US, UK, Canada, Australia or India.. It is good to note that the cost of hosting services in most countries is generally a little more expensive in comparison to the same services in Canada and the United States. Specifically, American web hosts offer a much better value for money than any local hosting.

*****************************************

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http://www.threehosts.com/reviews/1st 

Reviews & Discount Coupon

Web host awarded the “Best Web Hosting OF The Year”

All websites today currently run on either a Windows web server or a Linux-based server. The vast majority of websites run on a Linux-based platform as Linux has a strong reputation for security and web server performance. 

With standard (static) HTML-based websites, the web hosting platform doesn’t make much difference. When it does make a difference, however, is when the website uses a dynamic scripting technology such as ASP (A Microsoft based technology), or PHP / PERL (Linux based technologies). A Windows-based hosting solution will run a Microsoft Windows server with IIS (Internet Information Server), and is necessary to run an ASP / ASP.NET scripted website. A Linux-based platform is typically used for PHP, Perl, and most other types of websites.

Basically, unless your website uses ASP (pages ending in the .asp extention), Windows hosting is not necessary.

http://www.threehosts.com/reviews/1st 

Reviews & Discount Coupon

 Web host awarded the “Best Web Hosting OF The Year”

Take into consideration that web hosting is a global service. It does not matter what country you are located in; US, UK, Canada, Australia or India.. It is good to note that the cost of hosting services in most countries is generally a little more expensive in comparison to the same services in Canada and the United States. Specifically, American web hosts offer a much better value for money than any local hosting.

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Best answer:

Answer by Gaytheist Buddha
Are you kidding? That’s a lot of software.

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PHP and JavaScript are both scripting languages commonly used in web development. The big difference between the two is where they are most often employed. JavaScript is the primary language for execution by the client side, i.e. the browser. PHP, a recursive acronym for PHP: Hypertext Processor, is typically implemented on the server side. As such, it is insulated from the variances in browsers and desktops that has handicapped JavaScript.

Server-side scripts for web pages are also coded in languages like Perl or C, but PHP has gained popularity in the role. One advantage PHP enjoys over alternatives is that it was created for scripting web pages, and thus has features for performing a number of typical web design functions included. Another plus is that PHP was designed to coexist with HTML; the acronym originally meant Personal Home Pages. When used to output text, PHP is embedded within the HTML code, whereas in the case of Perl, the opposite situation usually exists — the HTML would be produced by Perl code. The net effect is that the PHP and HTML solution is cleaner and more readable.

PHP does well in terms of execution time performance. PHP developers have made optimization a priority. As with database improvements, performance gains made on server-side scripts greatly enhance the efficiency of a web site. Unlike languages that compile code in advance and keep binary executables for processing requests, PHP compiles scripts when they are used. To save the cost of having to compile the same code for every request, a code cache is used to reduce the compilation required.

Although either PHP or JavaScript could be used on the opposite side of the web client-server relationship, neither is truly general purpose. Both are best suited to the respective niche where they evolved.

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Best answer:

Answer by j0wner
A scalar just holds a single value.

$myString = “moo”;

An array can hold many values.

@myArray = (“moo”, “bark”, “meow”, “cluck”);

You’ll find arrays quite useful when you have a list and you want to do something with each item in the list.

foreach $sound (@myArray) {
print “$sound\n”; # or whatever else you want to do with it
}

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Best answer:

Answer by just4ivaylo
I think the Pearl is better. The T-Mobile Dash is made by HTC, I think. The Pearl does everything you need for less. I don’t even know why people like the Dash over the Pearl. They say it’s the keyboard, but this makes the phone huge. I would go with the Pearl. Good luck!

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Best answer:

Answer by mark2891
I am not completley sure about it. But, if it is like any of the other Pokemon games. There are some Pokemon that are exclusive to each specific game and acquiring all pokemon in these games you will have to trade with somone who has the other game.

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