指定方便的字母有助于识别命令中的参数。
Identify convenient letters that would help identify the parameters in the command.
参数将按位置与语句或命令中的参数占位符匹配。
The statements or stored procedures in these commands can be defined with parameter placeholders.
因此，每个需要传递到命令中的参数值都有一个参数对象。
Thus, there is a parameter object for each parameter value that needs to be passed to a command.
BIND命令中的参数确定协议选择项和话路中应遵守的话路概貌文件。
Parameters in the BIND command specify the protocol options and session profile to be observed in the session.
在RUNSTATS命令中的参数ALLOWREADACCESS指定计算统计信息时，其他用户可以只读地访问该表。
The parameter ALLOW read access in a RUNSTATS command specifies that other users can have read-only access to the table while statistics are calculated.
在RUNSTATS命令中的参数ALLOWWRITEACCESS指定计算统计信息时，其他用户可以读取或写入该表。
The parameter ALLOW WRITE ACCESS in a RUNSTATS command specifies that other users can read from and write to the table while statistics are calculated.
表步骤是任务命令中的步骤，它以表(具有多个行和列)的形式接受输入参数。
A table step is a step within a task command that takes input parameters in the form of a table (with multiple rows and columns).
如果您还没有这样做，不要忘记删除所有跟踪文件并通过移除批处理文件中的命令行参数来关闭跟踪。
If you haven't already done so, don't forget to delete any trace files and turn off tracing by removing the command line parameter in the batch file.
如果您指定任意命令行参数，跟踪将打开，跟踪消息将被写入当前目录中的一个临时文件。
If you specify any command line parameters, tracing will be turned on and trace messages will be written to a temporary file in the current directory.
在这两种汇编器中，访问命令行参数的方法是相似的。
As for command line arguments, they are accessed similarly with both assemblers.
这意味着，在需要主机名参数的命令中，可以用这三个名称中的任意一个引用此主机。
This means that you can refer to this particular host by any of those three names when it comes to using commands that require a host name argument.
主目录保存在变量 $HOME 中，这意味着不带参数的cd命令相当于运行 cd $HOME（参见清单12）。
Your home directory is stored in the variable $HOME. That means that the cd command without parameters is equivalent to typing cd $HOME (see Listing 12).
这个工具就是strace，它可以在命令行中执行，使用希望跟踪的应用程序作为参数。
The utility is called strace and is executed from the command line, using the application you want to trace as its argument.
例如，可以使用sys. argv变量在命令行中访问传递给脚本的参数。
For example, you can access parameters passed to scripts on the command line using the sys.argv variable.
您可以运行nice命令且不带任何参数，以此验证您的shell和系统中的该值，如清单3 所示。
You can verify the value for your shell and system by running the nice command with no parameters as shown in Listing 3.
setmqaut命令中的最后一个参数是将授权的权限。
The last parameters in the setmqaut command are the permissions that will be granted.
keyword：此选项将命令的所有参数放入环境中，而不仅仅放入命令之前的参数，使用set命令可以查看这些参数。
Keyword: Rather than placing only the arguments that precede a command, this option places all arguments in the environment for a command, which can be viewed with the set command.
您可以将合适的命令组织在一起，并使用各种参数和标志，然后在每个系统中运行它们。
You could put together the proper command, with all of the arguments and flags, and then run that on each system.
如果打算试验网络从而发现对于这些不同的选项它是如何做的，您可以覆盖命令行中的所有参数，但每一次运行还是会耗费一些时间。
You can override all the parameters on the command line, if you want to experiment with the net to discover how it does with various options — each run might take a while, though.
清单5读取命令行参数的列表，将它们存储在内存中，然后输出它们。
Listing 5 reads a list of command line arguments, stores them in memory, and then prints them.
如果您希望从一个历史命令中获得特定的参数，可以使用！
If you want a specific argument from a historical command, refer to the command with a!
如果攻击者可以在这些参数中嵌入恶意的命令，那么外部系统就可能以应用程序的名义执行这些命令。
If an attacker can embed malicious commands in these parameters, the external system may execute those commands on behalf of the... application.
XSLT处理器在命令调用的时候支持参数的使用，允许在提取文件中动态替换参数值。
XSLT processors support the use of parameters at command invocation, allowing for dynamic substitution of parameter values in the extraction file.
而且在许多操作系统中，任何可以看到进程列表的人都可以看到命令行上的参数。
And, on many operating systems, anyone that can see a list of processes can see the arguments on the command line.
请注意双引号的使用，它确保了原始命令中引用的参数被保留并得到正确识别。
Note the use of double quotes, which ensures that quoted arguments in the original are retained and identified properly.
除最后一个cd命令之外，所有命令的参数都在CDPATH中存在匹配的目录。
In each but the last CD command, the argument matched a directory found in the CDPATH.
第二种机制在命令行参数输出的指令控制下，把自己标准输入中的行写入日志文件。
It writes lines from its standard input to log files under the control of instructions you enter as command-line arguments.
在最顶层的脚本环境中，则是传递给脚本本身的的参数数组(命令行参数)。
In the case of the top-level script environment, this is the array of arguments passed to the script itself (the command-line parameters).
这样削弱了为展开形式中除最后一个命令以外的其他任何命令指定附加参数的能力。
This breaks the ability to specify additional arguments to any command but the last in the expansion.
教程中的一些程序需要命令行参数才能运行。
Some of the programs in the tutorial require command-line arguments to run.
应用推荐