wdmLogin(1x) on Linux
The text 03b38be5d5d4, as Debian 7 (Wheezy), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
wdm login panel
Flags it lists
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-a -
-b -
-d -
-h -
-l -
-u -
-w