Use the fignore shell variable to avoid accidental deletion
使用fignoreshell变量避免意外删除
To enable this feature, you need to set the autolist shell variable.
为了启用这个特性，需要设置shell变量autolist。
To prevent this from happening, always keep the noclobber shell variable turned on.
为了防止发生这种情况，应该一直打开shell变量noclobber。
The script in Listing 24 provides an example of these shell variable declaration methods.
清单24中的脚本给出这些shell变量声明方法的示例。
Create a shell variable called cc whose value is the full path file name to the GCC binary.
创建一个shell变量cc，它的值是gcc二进制代码的完整路径文件名。
We use the echo command to accomplish this and save the character in the shell variable 'ht'.
我们使用echo命令实现这点并将字符保存到shell变量‘ht’中。
Tcsh defines the prompt built-in shell variable, which you can use to customize shell prompts.
tcsh定义了prompt内置shell变量，可以通过这个变量定制shell提示。
The shell variable printexitvalue is a useful feature of tcsh that immensely aids script debugging.
shell变量printexitvalue是一个很有用的tcsh 特性，它对脚本调试非常有帮助。
Tcsh provides the built-in shell variable watch, which makes it easy to view who is logging in and out of the system.
tcsh提供了内置shell变量watch，可以通过它查看正在使用系统的用户。
Tcsh defines a shell variable rmstar; when turned on, it provides the user with a prompt that requests confirmation of the user's action.
tcsh定义了一个shell变量rmstar；如果打开这个变量，在用户执行操作时会显示提示，要求用户确认操作。
If the addsuffix shell variable is set along with automatic Tab completion, it's easier to distinguish folders because tcsh suffixes them with a / character when a match is found.
如果同时设置 addsuffixshell变量和自动Tab补齐，那么在找到匹配时tcsh 会在文件夹后面加上一个 /字符，这样就更容易区分出文件夹。
The reason that cron processes can't communicate with ssh-agent is that cron jobs are executed as child processes by cron and thus do not inherit the $SSH_AUTH_SOCK shell variable.
cron进程不能与ssh-agent通信的原因是，cron作业是作为 cron 的子进程来执行，这样它们就不会继承 $SSH_AUTH_SOCK。
Consider the example in Listing 18, which sets a shell variable, tests for the value of the variable, and then programmatically executes another command if the value is greater than zero.
比如清单18中的示例，它设置一个shell变量，检查变量的值，如果值大于零，就自动地执行另一个命令。
You can also find the type of the current platform through the Squirrel Shell environment variable platform.
您可以通过SquirrelShell环境变量platform查找当前平台的类型。
Set your path variable to include the installation path in order to easily start OmegaT + from any directory when using a shell.
设定路径变量，录入安装路径，以便在使用介壳时可轻松地从任何目录启动omegat +。
As with any other global variable, these variables need to be set in the shell instance where the JVM process will run, so that Settings can be read by JVM into its global variables table.
与其他任何全局变量一样，需要在shell实例中设置这些变量，JVM进程将会在这个实例中运行，因此，可以通过JVM将这些设置读取到全局变量表中。
If it is not assigned to a variable, or it is not otherwise used as part of the calling statement, then the shell will attempt to execute it rather than display it.
如果没有将该输出指派给一个变量，或者没有在别的地方将它用作调用语句的一部分，则shell将会尝试执行输出而不是显示输出。
Always be careful with shell expansion and variable names.
始终要谨慎使用Shell扩展和变量名称。
Other, typically more complicated variations of the dialog command both set the shell status variable and generate other results.
另外，通常更为复杂的dialog命令变体同时设置shell状态变量并生成其他结果。
If the BASH shell is non-interactive, it expands the value of the BASH_ENV environment variable and executes the file named.
如果BASHShell是非交互的，那么它将扩展BASH_ENV环境变量的值，并执行所指定的文件。
Thankfully, most of today's shells counter this by at least automatically resetting the IFS variable when they start -- and that includes GNU bash, the usual shell for GNU/Linux systems.
值得欣慰的是，当今大部分的shell 都对此进行了防范，当它们启动时至少会自动重新设置IFS变量 --包括GNUbash，GNU/Linux常用的shell。
Otherwise, the shell interprets the trailing text as part of your variable name — and most likely returns a null value.
否则，Shell将把尾随文本解释为变量名称的一部分——并且很可能返回一个空值。
This manipulation and variable support makes many aspects of programming with a shell script significantly easier.
这种操作和变量支持使得Shell脚本的许多编程方面变得更加容易了。
Then, when you run CD, the variable PWD will be updated and displayed as part of the shell prompt.
然后，当您运行cd时，变量pwd将被更新并显示为shell提示的一部分。
When building shell scripts to submit to the job spooler, it is usually a good idea to define the PATH environment variable inside the script.
在构建要提交给作业假脱机程序的shell脚本时，在脚本中定义PATH环境变量常常是一种好做法。
The environment variable CPU_ARCH yields the processor for which the shell was compiled.
环境变量CPU_ARCH生成处理器，shell将针对该处理器进行编译。
Each shell has an assortment of built-in commands; the PATH environment variable specifies the list and order of directories to search; and each alias ACTS as shorthand.
每种Shell都有一个内置命令的分类；PATH环境变量用于指定搜索的列表和目录；而别名可以作为简写。
When we "export" an environment variable under bash, any subsequent program that we run can read our setting, whether it is a shell script or not.
当在bash中“导出”环境变量时，以后运行的任何程序，不管是不是shell脚本，都可以读取设置。
Historically, many attacks exploited the way the command shell handled the IFS environment variable, but most of today's shells (including GNU bash) have been modified to make IFS harder to exploit.
历史上，很多攻击利用的是命令shell处理IFS环境变量的方法，但是当今大部分的shell(包括GNUbash)已经经过了修改，从而使IFS难以利用。
Historically, many attacks exploited the way the command shell handled the IFS environment variable, but most of today's shells (including GNU bash) have been modified to make IFS harder to exploit.
历史上，很多攻击利用的是命令shell处理IFS环境变量的方法，但是当今大部分的shell(包括GNUbash)已经经过了修改，从而使IFS难以利用。
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