В мане написано "-F, --force", хотя должно быть "-f, --force"
man-pages-ru-0.98-alt14 -> sisyphus: * Sat Apr 11 2009 Slava Semushin <php-coder@altlinux> 0.98-alt14 - NMU - ln.1: fixed typo in parameter name (Closes: #16350) - sudo.8: fixed typo (Closes: #18542) - fcntl.2: fixed typos (Closes: #18624) - accept.2: fixed typo and formatting (Closes: #18625) - shutdown.2: updated (Closes: #18626)