fbrun(1) on Linux
The text c5e5ad5bed4a, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
display run dialog window
Flags it lists
-
-bg -
-display -
-fg -
-font -
-h -
-help -
-hf -
-na -
-nearmouse -
-text -
-title -
-w