libfilesystem-ruby1.9.1 software package provides Ruby1.9.1 extension for file-system information, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfilesystem-ruby1.9.1
libfilesystem-ruby1.9.1 is installed in your system.
Make ensure the libfilesystem-ruby1.9.1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfilesystem-ruby1.9.1 *
You will get with libfilesystem-ruby1.9.1 package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Interpreters |
| Package | libfilesystem-ruby1.9.1 |
| Version | 0.5-3.1 |
| Description | Ruby1.9.1 extension for file-system information |
| Sub Section | Interpreters |