https://cygwin.com/pipermail/cygwin/1998-October/013732.html
B19 & Usertools: What is SETUP.LID?
what isusertoolssetuplid
https://scp-wiki.wikidot.com/usertools
SCP Wiki Usertools - SCP Foundation
The SCP Foundation's 'top-secret' archives, declassified for your enjoyment.
scp wikiusertoolsfoundation