I am getting the same error after executing every command in tmux and after running it, and this is annoying:

-bash: PROMPT_COMMAND: line 0: syntax error near unexpected token `;;'
-bash: PROMPT_COMMAND: line 0: `preexec_set_exit;__bp_precmd_invoke_cmd; dbus-send --type=method_call --session --dest=net.launchpad.pantheon-terminal /net/launchpad/pantheon_terminal org.pantheon.terminal.ProcessFinished string:$PANTHEON_TERMINAL_ID string:"$(history 1 | cut -c 8-)" >/dev/null 2>&1;  __bp_interactive_mode;;preexec_invoke_cmd'

Though when I am using just bash, I am not getting this error.

What can cause such behaviour?

1 Answer 1


Using an editor such as nano or vim, Add the line


to your .bashrc file, and it will take effect on the next session.

To apply the change immediately for the life of the current shell session, type


in your terminal window.

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