envstore software package provides save and restore environment variables, 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 envstore
envstore is installed in your system.
Make ensure the envstore package were installed using the commands given below,
$ sudo dpkg-query -l | grep envstore *
You will get with envstore package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Utilities |
| Package | envstore |
| Version | 2.0.4-1 |
| Description | save and restore environment variables |
| Sub Section | Utils |