Install bash-builtins by entering the following commands in the terminal:
sudo apt update sudo apt install bash-builtins
Description:
Bash loadable builtins - headers & examples
Bash can dynamically load new builtin commands. Included are the necessary headers to compile your own builtins and lots of examples.
Homepage: http://tiswww.case.edu/php/chet/bash/bashtop.html
Version: 4.4.18-2ubuntu1
Section: universe/utils