It’s called out as obsolete in the coreutils documentation, https://www.gnu.org/software/coreutils/manual/html_node/head-invocation.html#head-invocation https:/

It’s called out as obsolete in the coreutils documentation, https://www.gnu.org/software/coreutils/manual/html_node/head-invocation.html#head-invocation https://www.gnu.org/software/coreutils/manual/html_node/head..., which probably explains the lack of references in the manual