SSH 连接断了但是不想关掉终端重新打开怎么办？

SSH 连接断了但是不想关掉终端重新打开怎么办？依次输入 回车 ~ .

~ 是 SSH 的命令，使用 ~? 可以看到全部命令，只能在行开始的时候有效

ian@ops:~$ ~?Supported escape sequences: ~.   - terminate connection (and any multiplexed sessions) ~B   - send a BREAK to the remote system ~C   - open a command line ~R   - request rekey ~V/v - decrease/increase verbosity (LogLevel) ~^Z  - suspend ssh ~#   - list forwarded connections ~&   - background ssh (when waiting for connections to terminate) ~?   - this message ~~   - send the escape character by typing it twice(Note that escapes are only recognized immediately after newline.)