How to adjust the path in windows

Question

i set the ruby, and then the pearl of the rails. when i try to start the server using

ruby script/server 

I get an error

 ruby: No such file or directory -- script/server (LoadError) 

Answer 1

You must first go to the demo directory with the command "cd" and then type

 ruby script/server 

EDIT: in windows it should be

 ruby script\server 

Answer 2

Add the folder into which the ruby.exe file is included in the PATH environment variable list:

http://support.microsoft.com/kb/310519

Answer 3

In the start menu, enter "Advanced system settings" (admin is required). Click the Advanced tab and click the Environment Variables button. In the System Variables section, find the variable named path and double-click it. In the value of the variable, go to the end and put a semicolon at the end if it is not ready. And enter the path to your ruby ​​installation.