linux - How to solve "bash: ls: command not found"

Question

I did something wrong with PATH, so currently if I type ls command I get:

bash: ls: command not found

How can I solve it?

Answer 1

恢复$PATH。最简单的方法是关闭当前的 shell 并打开一个新的（假设您没有使用 shell 启动文件，这就是它被破坏的原因）。