The open source bash shell that this article examines is one of the most powerful, practical, and extensible shells available.
本文讨论的开放源码的 bash shell 是最强大、最实用、可扩展性最好的 shell 之一。
It is association with a shell and vinyl record that is a source of fluent sounds.
它与贝壳和黑胶唱片(流畅声音的一个来源)联系起来。
There are four main types of viruses: shell, intrusive, operating system and source ode．
有四种类型的病毒程序：外壳型、入侵型、操作系统型和源码型。
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