SysPath

Explain: System file driver is C,operation system is windows xp,login name is ‘Administrator’
and the computer name is ‘icech’.
The path will different according to different operation system,there
only winxp for example

1:%USERPROFILE%  current user’s profile directory  c:\Documents and Settings\Administrator

2:%HOMEPATH%     current user’s profile directory  c:\Documents and Settings\Administrator

3:%systemdrive%  opration system where the disk    c:\

4:%windir%       opration system where the directory c:\Windows

5:%SystemRoot%   Windows where the directory   c:\Windows

6:%Temp%        the system temp file where the directory  c:\Documents and Settings\Administrator\Local Settings\Temp

7:%Tmp%           the system temp file where the directory  c:\Documents and Settings\Administrator\Local Settings\Temp

8:%ProgramFiles%  Program Files’s program setup directory  c:\Program Files

9:%commonprogramfiles%    Common Files directory c:\Program Files\Common Files

10:%APPDATA%       Application Data’s directory  c:\Documents and Settings\Administrator\Application Data

11:%ComSpec%      cmd.exe’s file directory  C:\WINDOWS\system32\cmd.exe

12:%LOGONSERVER%     cmd.exe’s file directory         \\icech

13:%Program Files (x86)%　　c:\Program Files(x86)

start/run/cmd
print echo “%windir%”