It took me a while to find a good source to compile a reference for myself. It may be useful for any MOSS admin.
This was taken from here: http://office.microsoft.com/en-us/winsharepointadmin/HA011608431033.aspx and transformed into a PDF.
Here it is as searchable PDF with bookmarks: http://blog.christian-brix.de/wp-content/uploads/2009/05/stsadm-command-line-parameters.pdf