shtool-echo(1) on Linux
The text e5e7fd203470, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
GNU shtool echo(1) extensional command
Flags it lists
-
--expand -
--newline -
-e -
-n