Bash Reference Manual/zh

本文引自https://www.gnu.org/software/bash/manual/bash.html#Readline-Bare-Essentials.

Bash特性

This text is a brief description of the features that are present in the Bash shell (version 4.3, 2 February 2014). The Bash home page is http://www.gnu.org/software/bash/.

这部分文字是当前Bash shell（版本4.3, 2014年2月）特性的一个简要描述。Bash的主页是http://www.gnu.org/software/bash/.

This is Edition 4.3, last updated 2 February 2014, of The GNU Bash Reference Manual, for Bash, Version 4.3.

此4.3版本更新于2014年2月，它的GNU Bash参考手册也是针对此4.3版本。

Bash contains features that appear in other popular shells, and some features that only appear in Bash. Some of the shells that Bash has borrowed concepts from are the Bourne Shell (sh), the Korn Shell (ksh), and the C-shell (csh and its successor, tcsh). The following menu breaks the features up into categories, noting which features were inspired by other shells and which are specific to Bash.

Bash所涵盖的一些特性也出现在其他流行的shells中。Bash的有些概念来自于其他的一些shells例如Bourne Shell（sh）、Korn Shell （ksh）以及C-shell（csh及其后继者，如tcsh）。以下菜单把这些特性进行了分类，并且不刻意哪些特性来自于其他的shells或者哪些特性来自于某个特定的Bash。

This manual is meant as a brief introduction to features found in Bash. The Bash manual page should be used as the definitive reference on shell behavior.

本手册意图扼要介绍Bash中的特性。本Bash手册应作为shell的引用参考来使用。

Introduction:	An introduction to the shell. shell介绍。
Definitions:	Some definitions used in the rest of this manual. 手册中使用的一些定义。
Basic Shell Features:	The shell "building blocks". shell”构造块”
Shell Builtin Commands:	Commands that are a part of the shell. shell指令。
Shell Variables:	Variables used or set by Bash. Bash中使用的变量。
Bash Features:	Features found only in Bash. Bash独有特性。
Job Control:	What job control is and how Bash allows you to use it. 什么是作业控制已经Bash中如何允许使用作业控制。
Command Line Editing:	Chapter describing the command line editing features. 命令行编辑功能的章节描述。
Using History Interactively:	Command History Expansion 指令历史增强
Installing Bash:	How to build and install Bash on your system. 如果在你的系统中建造和安装Bash。
Reporting Bugs:	How to report bugs in Bash. 如何报告Bash中的Bug。
Major Differences From The Bourne Shell:	A terse list of the differences between Bash and historical versions of /bin/sh. 一个简洁列（/bin/sh）表以介绍Bash历史版本的不同。
GNU Free Documentation License:	Copying and sharing this documentation. 拷贝及共享此文档。
Indexes:	Various indexes for this manual. 此手册的个中索引。

Introduction

• What is Bash?：什么是Bash？Bash的一个简短描述。
• What is a shell?：什么是一个shell？shells的一个简要介绍。