Linux desktop environment gnome, kde, xfce, lxde and so the use of comparative
https://www.cnblogs.com/chenmingjun/p/8506995.html
If not joined the graphical interface, Microsoft's Windows family of operating systems does not successfully occupied this Highland computer desktop. This human-computer exchange of graphical interface, making the interface more intuitive, simple, and more humane, but also greatly reduces the cognitive burden on users, ordinary users no longer need to keep in mind the people "bother" command, direct drag be able to operate. At this point, Microsoft is indeed the graphical user interface of this road is more thorough, more specific, although people have long complained of Windows system security and stability on the lack, however, in applications and entertainment , Microsoft still won the majority of ordinary users of all ages, because in their work and life, these would have been sufficient.
Graphical user interface set up a bridge towards Linux
And relatively speaking, Linux system has always insisted on their professional line, in the server operating systems, Linux by virtue of its safety and stability characteristics, it has been the absolute main business. However, although considered the leader in Linux server operating systems, and many systems are Linux open source software , but most of them understand and become familiar with people who are focused on the community and professionals in.
But now the situation is constantly changing. With a variety of unpleasant events in recent years, Windows system broke, people wake up, no time should be limited to a product, or whether it is dangerous individuals or companies have been in bondage. Meanwhile, in Linux / Unix system itself to continue to progress on each of its graphical interface products continue to mature and develop, more and more ordinary users through the trial found that this combination can radiate a unique appeal, and many companies individuals have to give up Windows in the process to switch to Linux / Unix arms.
Many people may ask questions in Linux systems, there are still a lot of applications and entertainment are not available, and even some drivers have not, but the situation is gradually resolved, more and more software and hardware vendors are support or ready to support Linux / Unix systems. In fact, many years ago, we have Linux developers, already has developed a graphical environment at attention for the average user. This article editor with you to meet, attract ordinary users of these systems into the world Linux graphical desktop environment.
It can be seen from the survey data, GNOME, and KDE is now mainstream environment, Xfce, LXDE, Openbox and Fluxbox, also has been a great application.
Linus Torvalds Great God a few days ago on Google+ representation, GNOME 3 "intolerable messy", switched to Xfce desktop environment. Here GNOME, KDE, XFCE and LXDE slightly compared.
The final sum up, there is no good or bad, for their own is the best, the best user experience is mature successful product.
GNOME 2.x
GNOME 2.x as everyone familiar with the traditional interface, default two panels. In terms of the system resources occupied, GNOME 2.x than GNOME 3 requires less RAM, higher CPU. In these two areas:
XFCE ，LXDE < GNOME 2.x
In the current release, LInux Mint, Debian, etc. still use GNOME 2.x as the default desktop environment.
GNOME 3
As the new version of GNOME GNOME 3, GNOME 2.x change significantly compared .GNOME 3 relatively straightforward, most students still used the traditional GNOME 2.x desktop environment. GNOME 3 has only one top panel, was no longer in the traditional menu. In the upper left corner you can click on the "active" view application, working partitions.
Currently, Fedora 15 and other distributions using GNOME 3 as the default desktop environment.
Unity
Canonical Unity is initially designed for netbooks, the first to be adopted as the default desktop Ubuntu 11.04. KDE than GNOME 3 or Unity occupy more system resources. In the Unity desktop environment, there is only one top panel, Desktop Dock on the left side there is a class of applications launcher.
WHERE
KDE windows have a class of "Start Menu." Gorgeous interface.
Many distributions such as OpenSUSE, PCLinuxOS and Mandriva mused uses KDE as the default desktop environment.
XFCE
Footprint than GNOME, less KDE. Suitable for older machines, lightweight desktop. And windows interface similar environment. Many are not accustomed to GNOME 3, Unity new desktop classmates, many chose XFCE 4.8, including Linus great God classmates.
LXDE
LXDE desktop environment is also ranked one of the four, lightweight desktop, taking up less resources, proper old machine, not that reflected in the high profile of the new machine.
Of course, other window managers such as e Fluxbox, OpenBox, Enlightenment, IceWM, and JWM, is super selected resource saving.
overall evaluation:
Here is the original author of the evaluation of individual desktop environment / window manager.
参考链接：http://www.jb51.net/LINUXjishu/78428.html
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如果不是加入了图形界面，微软的Windows系列操作系统不会成功地占领计算机桌面这块高地。这种人机交换的图形化界面，使得界面更加直观、简易、而且更人性化，同时也大大减少了使用者的认知负担，普通用户无需再牢记让人“劳神”的命令，直接拖拽就能操作。在这一点上，微软确实是将图形化操作界面这条路走得更彻底、更专一，尽管人们一直都在抱怨Windows系统安全性和稳定性上的不足，但是，在应用程序和娱乐性上，微软仍然赢得了大多数普通用户的青睐，因为在他们的工作和生活中，这些就已经足够了。
图形界面架起用户迈向Linux的桥梁
而相对而言，Linux系统一直坚持自己的专业路线，在服务器操作系统领域，Linux凭借着其安全性和稳定性等特性，一直都企业的绝对主力。不过，尽管Linux在服务器操作系统领域算是佼佼者，而且很多Linux系统都是开源软件，但是了解和熟悉他们的人大多都集中在社区和专业人士中。
不过，现在这一情况正在不断地改变。随着，近几年Windows系统爆出的各种不愉快的事件，人们醒悟过来，任何时候都不能受限于一种产品，否则不管是个人还是企业都有被辖制的危险。而同时，在Linux/Unix系统自身地不断进步及其上各个图形界面产品不断地成熟和发展，越来越多的普通用户通过试用发现，这种组合能够焕发出独特的吸引力，很多企业和个人都在这个过程纷纷放弃Windows转投Linux/Unix的怀抱。
很多人可能会提出问题，在Linux系统下，还有很多应用软件和娱乐仍然都无法使用，甚至一些驱动程序还没有，但是这一情况正在渐渐得以解决，越来越多的软件和硬件厂商正在支持或者准备支持Linux/Unix系统。事实上，很多年前，我们Linux开发者们，早就已经注意开发出针对普通用户的图形界面环境了。这篇文章编者带你认识一下，这些吸引普通用户迈入Linux系统世界的图形桌面环境。
从数据的调查可以看出来，GNOME和KDE是目前的主流环境，而Xfce、LXDE、Openbox和Fluxbox等也已经得到了很高的应用。
Linus Torvalds大神前几日在 Google+上表示，GNOME 3“无可容忍的凌乱”，改投Xfce桌面环境。下面就GNOME、KDE、XFCE和 LXDE略作比较。
最终归结起来，没有好坏，适合自己的才是最棒的，用户体验最佳，就是成熟成功的产品。
GNOME 2.x
GNOME 2.x 作为大家熟识的传统界面，默认2个面板。在系统资源占用方面，GNOME 2.x 较GNOME 3 要求 RAM 较少、CPU较高。在这两个方面：
XFCE ，LXDE < GNOME 2.x
在目前发行版本中，LInux Mint，Debian等仍使用GNOME 2.x作为默认桌面环境。
GNOME 3
GNOME 3作为GNOME 新版本，较GNOME 2.x变革明显.GNOME 3相对直观，大多数同学还是习惯传统的GNOME 2.x桌面环境。GNOME 3只有一个顶部面板，传统菜单不复在。可在左上角点击“活动”查看应用、工作分区等。
目前，Fedora 15等发行版本采用GNOME 3 作为默认桌面环境。
Unity
Unity 是由Canonical 起初为上网本设计，先被采用为Ubuntu 11.04 默认桌面。Unity较GNOME 3或KDE 占用系统资源较多。在Unity桌面环境中，只有一个顶部面板，桌面左侧有一类Dock的应用启动器。
KDE
KDE 有类windows的“开始菜单”。界面华丽。
许多发行版本如OpenSUSE、PCLinuxOS和 Mandriva等皆采用KDE作为默认桌面环境。
XFCE
占用资源较GNOME、KDE较少。适合老机器，轻量级桌面。与windows界面环境类似。许多不习惯GNOME 3 ，Unity新桌面的同学，很多选择了XFCE 4.8，包括Linus大神同学。
LXDE
LXDE也位列四大桌面环境之一，轻量级桌面，占用资源较少，合适老机器，不说在新机子高配置上的表现了。
当然，其他的窗口管理器如e Fluxbox、OpenBox 、Enlightenment、IceWM 、和JWM ，也是超级节省资源的选择。
总体评价：
下面是原作者对个人桌面环境/窗口管理器的测评。
参考链接：http://www.jb51.net/LINUXjishu/78428.html