可以扩展任何功能，从增加命令别名直至创建全新的命令集。
Extending the functionality can include anything, from adding a single alias to a command, to creating a completely new set of commands.
这表示它完成的不仅仅是个文件名 --事实上是任何事，从命令到别名到环境变量都可以。
This means it can complete more than just filenames - anything at all in fact, from commands to aliases to environment variables.
您可以创建简短的别名以代替冗长的命令。
You can create short aliases to stand in for lengthy commands.
由于别名是一种展开形式而不是替换，它使您可以继续向别名命令添加选项和参数。
Because the alias is an expansion and not a replacement, it enables you to continue adding options and arguments to an aliased command.
还可以使用类似的命令删除任何别名，并且节点将恢复为将主机名称解析为IP地址。
Any alias can also be removed using similar commands, and the node will revert to resolving the host name as an IP address.
对于支持别名无法在其中工作的某些命令和组合，对命令行参数的支持非常关键。
The support for command-line arguments is key to supporting certain commands and combinations where an alias would be unable to work.
函数也可以从命令行调用，它们填补了别名与完全成熟的脚本之间的空缺。
Functions are callable from the command line, too, and fill the gap between an alias and a full-blown script.
在您希望调用命令行选项的单个命令上，最好使用别名机制。
On single commands where you want to invoke command-line options, it is best to use the alias system.
别名可以方便地配置一些命令以使用不同的默认值，或为某个命令提供可替换的名称。
Aliases are a handy way to configure some commands to use different sets of defaults or to provide an alternate name for a command.
顾名思义，您可以将一个命令用作另一个命令的别名，或者为带有附加选项的同一个命令提供别名。
The alias is exactly as the name suggests, you can alias one command for another, or you can provide an alias for the same command with additional options.
DB2备份或恢复命令的最简单形式只需要数据库的别名。
The simplest form of the DB2 backup or restore command requires only the alias name of the database.
该命令还包括证书的别名以及用于生成密钥对的算法规范和密钥大小。
The command also includes an alias for the certificate, along with the specification of the algorithm and key size used to generate the key pair.
别名是快速运行命令或使用您经常使用的命令行选项来运行您最喜欢的命令的有效方法。
Aliases are an effective way to run commands quickly, or run your favorite commands with the command-line options you commonly use.
别名——这种解决方案仅在某些外壳中受支持——别名提供了将给定的字符串展开为特定命令的简单方法。
Aliases — This solution is only supported in some shells — aliases provide a simple method for expanding a given string into a specific command.
返回的信息表示发出该命令时服务器和别名的健康状态的快照。
The information returned represents a snapshot of the health state of the servers and nicknames at the time the command was issued.
这是一份我自己常用的命令列表，当你使用这些命令的时候，很可能你也想知道那些别名是可用的。
Here's a list of some of the commands I find myself using often. When you use commands, you'll probably want to know any available aliases as well.
会列出所有处理别名的命令。
trackall：每个命令在最初运行时都作为被跟踪的别名。
trackall : Each command, when initially run, will be a tracked alias.
使用以下命令来创建实例别名，对远程DB 2数据库实例进行分类。
Create the instance alias and catalog the remote DB2 instance using the following command.
我们看到，用于列出目录内容的ls命令是一个别名。
We saw that the ls command, used for listing directory contents, is an alias.
之后的keytool命令必须使用同样的别名引用这一项。
Subsequent keytool commands must use this same alias to refer to the entity.
snap别名使用重定向将命令的输出附加到文件中。
The snap alias USES redirection to append the output of a command to a file.
清单1：断点别名命令。
清单1显示了一组此类简单和高度有用的断点别名用户命令，您可以将它们添加到不断增长的.gdbinit文件中。
Listing 1 shows a great set of such simple and highly useful breakpoint alias user commands to edit into your growing.gdbinit file.
这个命令序列指定了一个初始密码“jamespass”，后续的命令在访问keystore “jamesKeyStore”中与别名“james”相关联的私钥时，就需要这个密码。
This command sequence specifies an initial password of "jamespass" required by subsequent commands to access the private key associated with the alias "james" in the keystore "jamesKeyStore."
你将会在.cshrc文件中注意到ls命令的一些别名(它们非常方便)。
You will notice aliases in .cshrc for some of the ls commands (they are very convenient).
在命令提示符处，您可以输入已经创建的别名。
At the command prompt, you might type a nickname that you created.
上面的命令生成了别名为serverkey 的服务器密匙和证书，保存在名为 server.keystore 的新keystore 中。
The preceding command generates the server key and certificate with alias serverkey in a new keystore named server.keystore.
您可以把别名看作是一个命令行的缩写。
You can think of an alias as a nickname for a command line. Instead of typing.
使用以下命令来创建实例别名和，并对一个远程DB 2实例目录进行分类。
Create the database alias and catalog a remote DB2 database using the following command.
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