What is the use of the "$?" command?

What is the use of the "$?" command?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, shell-scripting, topic-specific, shell, linux, scripting

参考答案摘要

By using the command "$?", you can find out the status of the last command executed.

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