When I install the Ubuntu server and ssh to the server, the default shell is bash. It looks like below. I prefer to have a colorful terminal window. So I goole it and find the solution: open ~/.bashrc in an editor copy this and add it at the end of .bashrc file: PS1='\[\033[1;36m\]\u\[\033[1;31m\]@\[\033[1;32m\]\h:\[\033[1;35m\]\w\[\033[1;31m\]\$\[\033[0m\] ' save