Some of these reserved keywords can be directly used in the shell, so for example $?
其中一些保留关键字可以直接在 shell 中使用，例如 $?
| 单词 | Reserved keyword |
| 释义 |
Reserved keyword
原声例句
PKM OS Some of these reserved keywords can be directly used in the shell, so for example $? 其中一些保留关键字可以直接在 shell 中使用，例如 $?
英语百科
Reserved wordIn a computer language, a reserved word (also known as a reserved identifier) is a word that cannot be used as an identifier, such as the name of a variable, function, or label – it is "reserved from use". This is a syntactic definition, and a reserved word may have no meaning. |
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