Thanks for reporting this issue. I cannot really answer your question, but I see the same behaviour with procps 1:3.3.9-1ubuntu8 on Ubuntu 15.04
** Changed in: procps (Ubuntu) Status: New => Confirmed ** Tags added: manpage vivid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to procps in Ubuntu. https://bugs.launchpad.net/bugs/1488939 Title: kill -L behaviour (is it a doc or code error?) Status in procps package in Ubuntu: Confirmed Bug description: $man kill [...] -L, --table List signal names in a nice table. [...Examples section] kill -L List the available signal choices in a nice table. $ kill -L bash: kill: L: invalid signal specification I'm not sure if it is a doc or code error, but the actual behaviour is not what the doc describes... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1488939/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp