Could you help me explaining how to use the Winnt.sif and unattend.bat I created using setupmgr.exe from the deploy.cab included in my Windows XP CD ?I created the file as unattend.txt then ...

I setup a USB flash drive XP installation for someone at work. I made a mistake and didn't enter the info for the sif file when prompted. It still installed fine, but we basically have no idea ...