Re:12 Factor CLI Apps
by JdeBP on Tuesday October 09, 2018 @09:14AM
(#18175643)
I strongly suspect that --help is on the contrary less universal, given that there exist entire toolsets lacking the --help convention but having manual pages. There was almost a quarter of a century's worth of Unix tools that developed before --help was invented.
* https://unix.stackexchange.com/a/416796/5132
* https://unix.stackexchange.com/questions/207136/