open(n) on macOS
The text 533b1bf089a6, as Mac OS X 10.2.8.G5, Mac OS X 10.2.8, Mac OS X 10.2.7, Mac OS X 10.2.6, Mac OS X 10.2.5, Mac OS X 10.2.4, Mac OS X 10.2.3, Mac OS X 10.2.2, Mac OS X 10.2.1, Mac OS X 10.2 shipped it.
Open a file-based or command pipeline channel
Flags it lists
-
-lasterror -
-mode -
-pollinterval