How to close/quit Telnet Terminal in Linux or Unix

Here is the way how to close or quit from Telnet Terminal in Linux or Unix

First type escape character e.g. '^]' which is 'Ctrl + ]' and then type quit to close the telnet terminal in Linux or any UNIX system.

# telnet mail.grocery.se 25

Trying xx.xxx.xx.xx...

Connected to mail.grocery.se.

Escape character is '^]'.

220 mail.grocery.se Microsoft ESMTP MAIL Service ready at Wed, 25 Nov 2020 11:48:26 +0100

^]

telnet> quit