lightdm(1) on Linux
The text d725638cb2c4, as Debian 7 (Wheezy) shipped it.
a display manager
Flags it lists
-
--cache-dir -
--config -
--debug -
--help -
--log-dir -
--pid-file -
--run-dir -
--test-mode -
--version -
--xgreeters-dir -
--xsessions-dir -
-c -
-d -
-h -
-v