subshell

英['sʌbʃel] 美['sʌbˌʃel]

n. 亚层(亚壳层；子壳层；支壳层)

sub-title n.字幕
sub-total n.小计adj.不完全的v.小计达到
sub-zero 零度以下
subabdominal adj.[解]腹下的
subacetate n.碱式醋酸盐

1. Run a list of commands in a subshell.: 在Subshell中运行命令列表。

2. The L-subshell coupling effects are not found.: 没有发现L次壳层偶合效应。

3. The pipe (|) pipes all output of the subshell to SSH.: 管道(|)将subshell的所有输出通过管道传输给ssh。

4. The parenthesized series of commands is called a subshell.: 命令中带圆括号的部分称为subshell。

5. Listing 9 shows the same idea executed using a subshell.: 清单9演示如何使用子shell执行相同的代码。

6. To run a subshell, use the parentheses (), as shown in Figure 2.: 使用圆括号()运行子shell，见图2。

7. The parentheses effectively execute the statements in a subshell.: 圆括号让语句在一个子 shell 中执行。

8. The use of the brackets ensures the commands are grouped and executed in a subshell.: 使用括号是保证此命令分在一个组中，并且在子shell 中执行。

9. Better yet, a subshell can contain another subshell, so expansions can be nested, too.: 然而更有价值的是，子Shell可以包含另一个子shell，所以还可以进行嵌套扩展。

10. Finally, the back quotes both interpret the variable and run the intermediate result as a subshell.: 最后，反撇号解释变量并作为子shell运行中间结果。

11. The command in parentheses is a subshell: Commands in the subshell don't affect the environment of the current shell.: 括号中的命令为一个subshell： subshell中的命令不会影响当前shell的环境。

12. In Listing 9, for example, if the first rsync failed, then the subshell would just continue and run the next command.: 例如，在清单9中，如果第一个rsync失败，则子外壳将继续运行下一个命令。

13. The series of commands collected in parentheses runs in a subshell and does not affect the state of the current shell.: 在圆括号中的系列命令将在一个子shell中运行，并且不会对当前Shell的状态产生影响。

14. Because the subshell is followed by a pipe, all the output of the subshell is sent to the next command in the pipeline.: 因为subshell后面跟着管道，所以subshell的所有输出都通过管道传输给了下一个命令。

15. Here, the subshell command du -sh work | cut -f1 yields the total size of the work directory in a format compatible with pv.: 在这里，子shell命令du -sh work |cut - f1以与pv兼容的格式生成工作目录的总大小。

16. Whether to use a combination or a subshell depends on your intentions-although the subshell is much more powerful, as described next.: 是使用组合还是子Shell，这取决于您的目的，尽管子Shell的功能更强大一些，下面将对其进行描述。

17. Using the subshell, you can collectively redirect their standard and error output for the entire block instead of for each individual command.: 通过使用子外壳，可以对整个块（而不是单个命令）的标准和错误输出进行集体重定向。

18. Nevertheless, some drift is likely to occur because it does take a finite amount of time to launch each subshell for the background processing.: 但是，这个过程会发生一些时间偏差，因为需要花费一些时间启动每个子shell 脚本来进行后台处理。

19. Changes made in the subshell — for example, changing directory — do not affect your command line, but it does affect the environment of the subshell.: subshell中进行的更改，例如更改目录，不会影响到您的命令行，但是它将影响subshell的执行环境。

20. While it's common to run a subshell to pipe aggregated output to a single command, you can also use a subshell to expand a command in place, just like back ticks.: 尽管通常运行子shell将聚合的输出通过管道传递给单个命令，但您还可以使用子Shell对命令进行扩展，就像反勾号那样。

21. The remote archive is opened on the remote machine, and the byte stream from cat is sent to a subshell that first changes directory, and then it extracts the archive.: 在远程计算机上打开远程存档，将cat 产生的字节流发送到 subshell，这个 subshell首先更改目录，然后对存档进行解压缩。

22. The use of a subshell is preferable in cases when you are redefining environment variables in your list of commands and you do not want those definitions to apply to your current shell.: 当您在命令列表中重新定义环境变量，并且您不希望将那些定义应用于当前shell时，使用Subshell更可取。

23. The use of a subshell is preferable in cases when you are redefining environment variables in your list of commands and you do not want those definitions to apply to your current shell.: 当您在命令列表中重新定义环境变量，并且您不希望将那些定义应用于当前shell时，使用Subshell更可取。

subsis sub subsp. albiplaga subituted executor subchondral plexus Submandibular area Sub- hypothermia submersion-proof substage condensor Sub-health state subroutine package subsystem modeling

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