Syntax
#(os.family) #(os.type) #(os.version) #(os.extra)
os.family returns win32. os.type returns a description of which version of win32. os.version returns major.minor.build. os.extra returns extra information.
Example
#(os.family) win32 #(os.type) Windows NT #(os.version) 5.0.2195 #(os.extra) Service Pack 2