It may be easier, though, to start with some tutorials like here on How-To Geek or nixcraft. Man bash may instruct you about the syntax of the string that defines the prompt format. That script is run automatically when you open a terminal, and includes a section where PS1 is defined. To change permanently, change the definition of PS1 in the file. The prompt can be changed with the command PS1='' You can see the current setting of this variable with the command: echo $PS1 By changing this environmental variable, you change the appearance of the prompt. The appearance of the Bash command prompt is controlled by the environmental variable $PS1.

But other terminals such as lxterminal and gnome-terminal need the package to get the triangles and the prompt to display nicely. Konsole, whether in Kubuntu 19.04 or Kubuntu 18.04, doesn't need fonts-powerline installed. Read the contents of ~/bin/powerline.sh if you want to modify some aspects of the prompt. If you want to go back to the default prompt, comment out the source powerline.sh line in ~/.bashrc by placing a # mark at the beginning of the line. bashrc and use powerline.sh in the existing konsole window. Open konsole and, from your home folder, run echo 'source powerline.sh' > ~/.bashrcįrom your still open konsole window, run source. (Note that ~/bin is by default in your system's path and so you do not need something like $HOME/bin/.powerline.sh.) Use the file manager to make the script executable. Visit this site and copy the entire script, all 348 lines as on 20190906, to ~/bin and save it as powerline.sh or whatever. For Kubuntu 19.04, install fonts-powerline using sudo apt install fonts-powerline.

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