Memory management is the heart of operating systems; it is crucial for both programming and system administration.

内存管理是操作系统的核心功能，无论对于开发者还是系统管理员内存管理的重要性都是不言而喻的。

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Correct understanding of a few Expect basics-how to invoke it, its dialogue model, its programming AIDS, and so on-shines a light on its enormous potential in system and network administration.

正确地理解有关Expect的一些基本知识(如何调用它、它的对话模型、它的编程辅助，等等)，以便在系统和网络管理工作中更充分地发挥它的作用。

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Memory management is the heart of operating systems; it is crucial for both programming and system administration.

内存管理是操作系统的核心功能之一，对编程与系统管理而言都很关键。

youdao

Puppet Labs is the developer of Puppet, software that applies declarative programming to the task of system administration of compute, network, and storage infrastructure in traditional data centers or in the cloud.

FORBES: Why Adopting the Declarative Programming Practices Will Improve Your Return from Technology