Command option Sample:fsutil wim removewim
Search command sample in the internet.It is the result.
fsutil wim removewim => FSCTL_REMOVE_OVERLAY
wimlib, with ImageX implementation - Page 6 - Project forge - reboot.pro :
http://reboot.pro/topic/18345-wimlib-with-imagex-implementation/page-6
search Google
https://www.google.com/#q=fsutil wim removewim