refer from:

When it comes to clothes, I'm a normal guy. I just want to walk into a store, grab something that fits, buy it (What, try it on? Are you kidding!?), and head home. Well, that's what I want to do. I've learned over the years that just because something should fit doesn't mean that it will fit. It's the same with servers. Sure, they're all built on the same code base and can run the same applications, but one may fit you perfectly while another may make you look like a clown.

So, how can you tell which is which? Well, let's start with that basic question you should bring to any computing decision: "What is it that you really want to do?"

Corporate business use

Let's say you have a company with several hundred to several tens of thousands of users. What do you want? This one is actually a pretty easy call. Your first choice should be .

[ Free download: ]

has big business support down to a fine art, and it's easy to find who know their way around RHEL. It's also supported on a wide variety of hardware. Whether you're running x86 servers on racks, blade servers, IBM POWER systems, or mainframes, there's a RHEL for you. In short, Red Hat is the gold standard of business Linux.

Is RHEL is too expensive for your taste? Well, you get what you pay for, but there are two other worthy business Linux distributions that deserve corporate attention. These are and (SLES).

Oracle Linux is essentially a copycat version of RHEL. While I know a few people who prefer it to its parent distribution, most of the folks I know who've tried it find little to recommend it over RHEL. SLES, on the other hand, has a handy setup and administration tool, , that I find very useful for setting up branch office-sized deployments.

Let's say you already have a real team of Linux experts on staff who aren't wedded to RHEL, Oracle, or SLES. In that case, you might want to consider . This is a community Linux, but, for those who know its ins and outs, it works extremely well. Debian is not, however, a Linux for non-experts.

Small business use

OK, let's say you have only a few hundred people in your organization. Or a few dozen. Heck, maybe it's just you and the dog. What do you do now? Well, all the choices above are still valid. Here, though, I see it as being more of a dead heat between RHEL and SLES for your IT dollars. In my experience, RHEL is easier to manage on numerous servers scattered across multiple locations, but SLES has always done well for me in small offices. I recommend trying them both and making up your own mind.

At this point, if you already have some strong Linux administrators at hand and you want to save some money, I'd recommend looking into Red Hat and SUSE's community distributions as well: and openSUSE (), respectively. What you won't get with either is support from their sponsoring companies. In other words, you're on your own with these distributions. But, if your IT staff know Linux well, you may not need help for the demands of a small business. For my own small office -- twenty desktops and four servers -- openSUSE works just fine.

What about , the brand of what may be the ? There's as well. You could use Ubuntu Server for bigger businesses, but for enterprise-sized loads I prefer knowing that I have a company behind me, like Oracle, Red Hat, or SUSE, that has lots of experience in dealing with data-center sized installations. For a rack or two of servers (at most), Ubuntu should do just fine.

1.对大型企业而言，当然首选Red Hat Enterprise Linux（RHEL）;

2.也许你觉得RHEL太贵，那么我们也可以选择Oracle Linux或SUSE Linux Enterprise Server (SLES)作为替代。

3.如果我们有强有力技术团队，并且不想为Linux付费，那么可以使用Fedora或OpenSUSE，Debian也是不错的选择。

4.Ubuntu是非常流行的桌面版本，Ubuntu Server也是非常好的服务器版本。

5.如果你想寻找一款Linux，以构建低成本的Web服务，CentOS是一个不错的选择，它是RHEL的社区克隆版本。