Applications are Evil Environment Variables Manager
The Environment Variables Manager is a utility for setting up an operating system's environment. It represents environment variables as files and exposes its functions through the Windows shell facilities.
Download installer:
Help file included
32-bit: evmshell-1.3-x86-setup.exe 650k
64-bit: evmshell-1.3-amd64-setup.exe 661k

Or download files for manual installation:
Manual installation is as simple as registering a DLL with the regsvr32 utility
32-bit: evmshell-1.3-x86.zip 84k
64-bit: evmshell-1.3-amd64.zip 99k
Help file: evmshell.chm* 294k

Platform: Windows 2000 or later
License: Freeware
Current Version: 1.3
Last Updated: 10-Jan-2011
*Internet Explorer may block .chm files Free support: support (at) evilapp (dot) com