Something's wrong with my ubuntu. The command prompt suddenly changes from maixaolong@709-dl-server:~$ to something in the picture below. How can I fix this?

enter image description here

  • 2
    Did you change your login shell (perhaps to zsh)? – steeldriver Sep 25 '18 at 2:44
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    @steeldriver, Oh yes, someone changed the login shell to zsh, how can I set it back to bash? – Chan mankong Sep 25 '18 at 2:52
  • @karel That looks like PuTTY, which would have a shell through SSH. – Chai T. Rex Sep 25 '18 at 3:06

To change your login shell back to Bash, run:

chsh -s /bin/bash $USER

Then log out and log back in.

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