How to switch SSH sessions in Linux using SSH exit character

1. Log in to the remote host:

localhost$ ssh 172.16.1.165
oracle@172.16.1.165's password:
last login: fri mar 26 14: 48:08 2010 from euos

2. Connected to the remote host:

remotehost$

3. To temporarily return to the local host , enter the exit symbol: "~" combined with "control-z".

When you enter "~" you will not see it immediately on the screen, it will only be displayed together when you press and press Enter. .
As follows, enter "~"
remotehost$ ~^z [suspend ssh]
[1] stopped ssh 172.16.1.165
localhost$

4. Now that you have returned to the local host, the ssh remote client session is running in the unix background. You can view it as follows:

localhost$ jobs
[1] stopped ssh 172.16.1.165

5. You can switch the ssh session process running in the background to the foreground and return to the remote host without entering the password

localhost$ fg % 1
ssh 172.16.1.165
remotehost$

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