busybox-static software package provides Standalone rescue shell with tons of builtin utilities, 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 busybox-static
busybox-static is installed in your system.
Make ensure the busybox-static package were installed using the commands given below,
$ sudo dpkg-query -l | grep busybox-static *
You will get with busybox-static package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Shells |
| Package | busybox-static |
| Version | 1:1.20.0-7 |
| Description | Standalone rescue shell with tons of builtin utilities |
| Sub Section | Shells |