缺少操作系统就意味着在某个时间只有一个应用程序（和一个用户）可以使用这些庞大而又昂贵的设备。
The lack of an operating system meant that only one application (and one user) could use the large and expensive device at a time.
当操作系统的3.0版本发布后，即使是更新也非常微小，只是添加了首版中缺少的几个基本功能。
When version 3.0 of the operating system came out, even the updates were minimal and only added essential functionality missing from the first release.
这一改变使Linux完全与其余的GNU软件兼容，而GNU项目开始把内核——该项目缺少的最大环节——并入其自由的操作系统。
The change made Linux fully compatible with the rest of GNU's software, and the GNU project began integrating the kernel - the project's biggest missing link - into its free operating system.
Web操作系统工具集中似乎缺少了一个特性，即基于Web的剪贴板的概念。
One feature that seems missing from the Web operating system collective tool set is the notion of a Web-based clipboard.
因此，该数据收集器被认为是缺少代理的，因为Performance Tester的用户不需要向正被监控的操作系统安装任何额外的软件。
Therefore, this data collector is considered to be agent-less, because a user of Performance Tester does not have to install any additional software to the operating system that is being monitored.
操作系统内部的Ubuntu帮助页是新人的最佳选择，可是它们却经常是未被充分利用而且缺少屏幕截图。
The Ubuntu Help pages inside the Operating System are the best option for newcomers, but are often underused and lack screenshots.
主流的操作系统没有一个缺少上述特性的。
各种UNIX风格也具有一个Linux所缺少的优点：所有UNIX风格都被假定是完全的操作系统。
The various UNIX flavors have an advantage, though, that Linux seems to lack: All UNIX flavors are supposed to be full operating systems.
各种UNIX风格也具有一个Linux所缺少的优点：所有UNIX风格都被假定是完全的操作系统。
The various UNIX flavors have an advantage, though, that Linux seems to lack: All UNIX flavors are supposed to be full operating systems.
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