subshell

subshell什么意思,subshell翻译

基本解释

n.: 【核】支壳层
网络: 子外壳；亚壳层；次层

英汉解释

• 【原子能】支壳层

• 副壳

• 次层

• 亚壳层

词性分析

• 复数：subshells

例句

• 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。

• 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-shwork|cut-f1以与pv兼容的格式生成工作目录的总大小。

• 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。

• The parenthesized series of commands is called a subshell.

  命令中带圆括号的部分称为subshell。

• 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。

• You can generally do this by running a list of commands in a subshell or by running a list of commands in the current shell.

  您一般可以通过在某个Subshell中运行一个命令列表或通过在当前Shell中运行一个命令列表来实现此目的。

• 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。

• The parentheses effectively execute the statements in a subshell.

  圆括号让语句在一个子shell中执行。

• 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。

• Finally, we"ll add an arbitrary 30-second sleep to ensure the command sequence finishes after the two subshells do.

  最后，我们添加任意30秒的休眠时间，确保两个subshell完成之后命令序列完成。