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d9Dct2>@m}+USFTWhFw#|^s#;LE8R~C{u|Rn@s$7o literal 0 HcmV?d00001 diff --git a/sources/tech/20130319 Linux - Unix Bash Shell List All Builtin Commands.md b/translated/20130319 Linux - Unix Bash Shell List All Builtin Commands.md similarity index 71% rename from sources/tech/20130319 Linux - Unix Bash Shell List All Builtin Commands.md rename to translated/20130319 Linux - Unix Bash Shell List All Builtin Commands.md index 721a1b242b..8873930c90 100644 --- a/sources/tech/20130319 Linux - Unix Bash Shell List All Builtin Commands.md +++ b/translated/20130319 Linux - Unix Bash Shell List All Builtin Commands.md @@ -1,31 +1,32 @@ KarenMrzhang Tranlating -Linux / Unix Bash Shell List All Builtin Commands + +Linux / Unix Bash Shell 列出所有内置命令 ====== -Builtin commands contained within the bash shell itself. How do I list all built-in bash commands on Linux / Apple OS X / *BSD / Unix like operating systems without reading large size bash man page? +内置命令包含在 bash shell 本身。我该如何在 Linux / Apple OS X / *BSD / Unix 上像操作系统不用去读大篇的 bash 操作说明页就可以列出所有的内置 bash 命令呢? -A shell builtin is nothing but command or a function, called from a shell, that is executed directly in the shell itself. The bash shell executes the command directly, without invoking another program. You can view information for Bash built-ins with help command. There are different types of built-in commands. +一个 shell 内置函数是一个命令或一个函数，从shell中调用，它直接在shell中执行。 bash shell 是直接执行命令没有调用其他程序的。你可以使用帮助命令查看 Bash 内置命令的信息。以下是几种不同类型的内置命令。 -### built-in command types +### 内置命令的类型 - 1. Bourne Shell Builtins: Builtin commands inherited from the Bourne Shell. - 2. Bash Builtins: Table of builtins specific to Bash. - 3. Modifying Shell Behavior: Builtins to modify shell attributes and optional behavior. - 4. Special Builtins: Builtin commands classified specially by POSIX. + 1. Bourne Shell 内置命令：内置命令继承自 Bourne Shell。 + 2. Bash 内置命令：特定于 Bash 的内置命令表。 + 3. 修改 Shell 行为：修改 shell 属性和选择行为的内置命令。 + 4. 特别的内置命令：由 POSIX 特别分类的内置命令。 -### How to see all bash builtins +### 如何查看所有 bash 内置命令 -Type the following command: +有以下的命令： ``` $ help $ help | less $ help | grep read ``` -Sample outputs: +样例输出： ``` GNU bash, version 4.1.5(1)-release (x86_64-pc-linux-gnu) These shell commands are defined internally. Type `help' to see this list. @@ -75,20 +76,20 @@ A star (*) next to a name means that the command is disabled. help [-dms] [pattern ...] { COMMANDS ; } ``` -### Viewing information for Bash built-ins +### 查看 Bash 的内置命令信息 -To get detailed info run: +运行以下得到详细信息： ``` help command help read ``` -To just get a list of all built-ins with a short description, execute: +仅得到所有带简短描述的内置命令的列表，执行如下: `$ help -d` -### Find syntax and other options for builtins +### 查找内置命令的语法和其他选项 -Use the following syntax ' to find out more about the builtins commands: +使用下列语法去找出更多的相关内置命令： ``` help name help cd @@ -98,7 +99,7 @@ help read help : ``` -Sample outputs: +样例输出: ``` :: : Null command. @@ -109,9 +110,9 @@ Sample outputs: Always succeeds ``` -### Find out if a command is internal (builtin) or external +### 找出一个命令是内部的(内置的)还是外部的。 -Use the type command or command command: +使用类型命令或命令命令： ``` type -a command-name-here type -a cd @@ -121,12 +122,12 @@ type -a ls ``` -OR +或者 ``` type -a cd uname : ls uname ``` -Sample outputs: +样例输出： ``` cd is a shell builtin uname is /bin/uname @@ -141,7 +142,7 @@ l () ``` -OR +或者 ``` command -V ls command -V cd @@ -150,16 +151,16 @@ command -V foo [![View list bash built-ins command info on Linux or Unix][1]][1] -### about the author +### 关于作者 -The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on [Twitter][2], [Facebook][3], [Google+][4]. +作者是网站站长的发起人和季度系统管理员和 Linux 操作系统/Unix shell 脚本教练。他与全球客户以及包括IT、教育、国防和空间研究以及非营利部门在内的各个行业合作。可以在 [Twitter][2], [Facebook][3], [Google+][4] 上关注他。 -------------------------------------------------------------------------------- via: https://www.cyberciti.biz/faq/linux-unix-bash-shell-list-all-builtin-commands/ 作者：[Vivek Gite][a] -译者：[译者ID](https://github.com/译者ID) +译者：[KarenMrzhang](https://github.com/KarenMrzhang) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出