Visualizzare le variabili d'ambiente.

Per ottenere le variabili d'ambiente, basta digitare al prompt dei comandi SET
Comparirà una cosa del genere:

ALLUSERSPROFILE=C:\Documents and Settings\All Users
APPDATA=C:\Documents and Settings\\Dati applicazioni
CommonProgramFiles=C:\Programmi\File comuni
COMPUTERNAME=
ComSpec=C:\WINDOWS\system32\cmd.exe
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Documents and Settings\
LOGONSERVER=\\
NUMBER_OF_PROCESSORS=1
OS=Windows_NT
Path=C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\ATI Technologies\ATI Control Panel
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
PROCESSOR_ARCHITECTURE=x86
PROCESSOR_IDENTIFIER=x86 Family 6 Model 13 Stepping 8, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=0d08
ProgramFiles=C:\Programmi
PROMPT=$P$G
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\WINDOWS
TEMP=C:\DOCUME~1\\IMPOST~1\Temp
TMP=C:\DOCUME~1\\IMPOST~1\Temp
USERDOMAIN=TOSHIBA
USERNAME=Andrea
USERPROFILE=C:\Documents and Settings\
windir=C:\WINDOWS