Phil,
Thank you!
Please excuse the nauseating deluge of details that follows! Here is a description of what I can find when I look for the IIS snap-in for the MMC. But where is that snap-in?
I can see Administrative Tools in the Start menu, but Internet Information Services is not one of the submenu items. Currently listed are Component Services, Computer Mangagement, Data Sources, Event Viewer, Local Security Policy, Performance, Server Extensions Administrator and Services. But no IIS. This is perplexing.
If I open the last of these, the Services option, I get the MMC-style window I referred to below (in my posting on 10/16 at 9:29), namely, a list of all "Services (Local)", one of which is "IIS Admin". You can see this on your machine, I suppose. The description for the IIS Admin service mentions the IIS snap-in. The snap-in is definitely what I want to use, but I'm still stumped as to how to open MMC and access it.:(
The IIS 5.1 Documentation that comes with Win XP (
http://localhost/iishelp/iis/misc/default.asp) tells me to open the IIS snap-in by right clicking on My Computer to find IIS under Services and Applications. Actually, I have to right click on My Computer, select Manage, and then I can find Services and Applications in a directory listing in a window called Computer Management. But IIS is not one of the four subdirectories under Services and Applications.
Listed under Services and Applications are Services (again

same as above), WMI Control, Indexing Service, and Message Queuing.
Needless to say, I feel like a real

.
Here's another wrinkle. (If you are still reading this, let me just thank you for your plentiful good will.) The instructions at
http://localhost/iishelp/iis/misc/default.asp also say that I can create a shortcut to inetmgr.exe. Presumably inetmgr.exe has something to do with the IIS snap-in. Or maybe it _is_ the snap-in. If I try to OPEN inetmgr.exe, I get an alert from the MMC that says "Snap-in failed to initialize."
I can go Start > Run > MMC. But if I go to File > Add/Remove Snap-in... , under Standalone I click on Add... , but IIS is not listed as an Available Standalone Snap-in.
I am a novice when it comes to Windows Administration, which does not help matters.
I should add that ASP is working and I can save an ASP page into the wwwroot directory and view it in my browser. But where oh where has my IIS snap-in gone?