sh is not bash. Your man sh seems to show the bash documentation. The real sh man page is for example available here
https://www.freebsd.org/cgi/man.cgi?query=sh And there is no such option. Le 25/05/2019 à 19:22, Sébastien Labbé a écrit :
Maybe it is the case that your sh actually does not follow the "shall" above.It seems so. When I do $ sh --version sh: 0: Illegal option -- which is weird since: $ man sh ... --version Affiche le numéro de version de bash sur la sortie standard et termine avec succès. ... [but it finishes with the version at the bottom:] ... GNU Bash 4.3
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