Run a command only if another command returns a zero exit status.

仅当另一个命令返回零退出状态时才运行某个命令。

youdao

Run a command only if another command returns a non-zero exit status.

仅当另一个命令返回非零退出状态时才运行某个命令。

youdao

This is because as long as the connection is successful, the last exit status will be zero.

这是因为只要连接成功，最后的退出状态码就是零。

youdao

This is because as long as the connection is successful, the last exit status will be zero.

这是因为只要连接成功，最后的退出状态码就是零。

youdao