目前Ubuntu共有五个长期支持版本（Long Term Support，LTS）：Ubuntu 6.06、8.04、10.04、12.04与14.04。Ubuntu 12.04和14.04桌面版与服务器版都有5年支持周期。
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如果你不喜欢频繁升级的话，可以使用长期支持版，Ubuntu大约每两年会发布一个长期支持版本（LTS, Long Term Support），每个桌面LTS版会获得3年安全更新支持，服务器版则是5年。 升级系统不需要重装系统，可以直接升级。
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Long-Term Support 长期支持 ; 个长期支持版本
It has a predictable, six-month release schedule, with occasional Long Term Support versions that are supported with security updates for three to five years.
它有一个可预计的、6个月的发行计划，并有三到五年安全更新支持的偶尔的长期支持版本。
Often, once customers move an application from development to deployment, they start to consider the long-term support requirements for the underlying code (including the application server).
通常，一旦客户将应用程序从开发转至部署，他们就开始考虑基础代码（包括应用服务器）的长期支持需求。
Berenger highly appreciated China's policies to Africa, expressing gratitude to China for its long-term support and help to African countries including Mauritius.
贝朗热高度赞赏中国对非洲政策，感谢中方长期以来对包括毛里求斯在内的非洲国家的支持和帮助。
To build long-term support for the crafts workers, the IOM is strengthening ties between these small industries and the government and is turning to companies that invest in corporate social responsibility.
VOA: standard.2010.04.14
Ambassador Eikenberry said he had heard President Karzai's remarks and that it is clear the United States and its allies will need to provide long-term financial support for Afghanistan's military and police.
VOA: standard.2009.12.09
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