The aim of the series is to bring together in one place up-to-date information from various places in the public domain on the process required to create a working Linux cluster from many separate pieces of hardware and software. 该系列文章的目的是把分散在公共领域不同地方的、用各种硬件和软件创建工作的Linux集群的过程所需要的信息,集中在一个地方。
Shareware and public domain software is often just as good as commercial software costing much more. 试用软件和不受版权限制的软件通常与商用软件一样好,虽然后者的价钱要贵很多。
The current trends of development are examined in GIS, including the application of GIS in large scale projects, its use in the general public domain, the increasing sophistication of GIS software, and the increasing scale of GIS software. 分析了当前GIS的发展趋势&即面向大型的应用与面向公众的应用同时发展,以及当前GIS软件系统愈来愈复杂、愈来愈大型化的倾向。