I always though that "command -v" was more portable than "which": "command -v" is specified in posix and should always be present but "which" is not. But all m

I always though that "command -v" was more portable than "which": "command -v" is specified in posix and should always be present but "which" is not. But all my knowledge about that comes from a small drama some times ago when a debian maintainer wanted to remove "which" from its current package (see https://lwn.net/SubscriberLink/874049/bf89a969ed3dde87/ https://lwn.net/SubscriberLink/874049/bf89a969ed3dde87/).