lib64readline5 software package provides GNU readline and history libraries, run-time libraries (64-bit), 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 lib64readline5
lib64readline5 is installed in your system.
Make ensure the lib64readline5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep lib64readline5 *
You will get with lib64readline5 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Libraries |
| Package | lib64readline5 |
| Version | 5.2-11 |
| Description | GNU readline and history libraries, run-time libraries (64-bit) |
| Sub Section | libs |