bash-builtins software package provides Bash loadable builtins - headers & examples, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bash-builtins
bash-builtins is installed in your system.
Make ensure the bash-builtins package were installed using the commands given below,
$ sudo dpkg-query -l | grep bash-builtins *
You will get with bash-builtins package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Utilities |
| Package | bash-builtins |
| Version | 4.2-2ubuntu2.6 [amd64, i386], |
| Description | Bash loadable builtins - headers & examples |
| Sub Section | Utils |