Systemroot Command Availability
The systemroot command is only available from within the Recovery Console in Windows 2000 and Windows XP.
Systemroot Command Syntax
systemroot
This command has no additional switches or options.
Systemroot Command Examples
In this example, entering systemroot will set the %systemroot% environment variable to the directory that you type the command from.
For example, if you’re working in the C:\Windows directory, entering systemroot will set the %systemroot% environment variable to C:\Windows.