curtain software package provides handy curtain for the desktop, 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 curtain
curtain is installed in your system.
Make ensure the curtain package were installed using the commands given below,
$ sudo dpkg-query -l | grep curtain *
You will get with curtain package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Miscellaneous |
| Package | curtain |
| Version | 0.1-1 |
| Description | handy curtain for the desktop |
| Sub Section | misc |