The first backquote not preceded by a backslash terminates the command substitution.

不带反斜杠的第一个后引号终止命令替换。

youdao

In practice, the lines separated by a backslash must appear on a single line.

在实际文件中，由反斜杠分隔的行必须出现在单一行上。

youdao

These can be escaped by being preceded with a backslash, like \. To match a literal period.

可以通过在前面加反斜杠如\ .对这些字符进行转义，以匹配文字句点。

youdao

It gets really kind of trippy if you wanna output a backslash, \ you can't just use the backslash, \\ you need to use backslash backslash because otherwise a single backslash is confused with the so called escape character.

如果你想输出一个反斜杠，估计又得迷糊了，实际上，你不能直接用，而是要,否则一个\可能会被误认为,是转义字符。

哈佛公开课 - 计算机科学课程节选

And just intuitively, when might you need to put a backslash in front of a double quote given the examples we've seen thus far?

凭直觉来看，迄今为止，你们什么时候,会用到\“呢？,举个例子？

哈佛公开课 - 计算机科学课程节选

0 And we'll also see backslash 0 which is actually the special character that's used at the end of a string to say no more string after this point in memory.

还有0,用于存储器中字符串末尾,表示在此之后就,没有字符了。

哈佛公开课 - 计算机科学课程节选