I\'ve installed ruby and the sass gem on a Win 7 Enterprise box. I\'ve had issues throughout the process, and had to download the gems and install them from local to avoid other
In order to run commands without specifying full path, you need to have the path to the program in you PATH
variable.
So if your program is located in C:\Programs\rubygems\gem\sass
you'll need to add C:\Programs\rubygems\gem\
to PATH
.
The process of adding a folder to PATH
for the Windows command line prompt is described here.
For Windows Powershell, please check Setting Windows PowerShell path variable here on SO.