Can not use command telnet in git bash

To add on to @lostbard's answer and @signonsridhar's comment, telnet utility need to be invoked with winpty to work on git bash.

Example:

 MINGW64 ~
$ which telnet
/c/WINDOWS/system32/telnet

 MINGW64 ~
$ winpty telnet localhost 2181
    Zookeeper version: 3.4.14-4c25d480e66aadd371de8bd2fd8da255ac140bcf, built on 03/06/2019 16:18 GMT

That's because telnet is not provided with git.

In windows, you need to go to control panel, programs, turn windows features on/off and enable the telnet client.

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