>>>>> "MM" == Michael Meskes <mes...@debian.org> writes: MM> On Fri, Jul 01, 2016 at 01:44:48PM +0800, 積丹尼 Dan Jacobson wrote: >> Mention what will happen if both start and stop are omitted. >> E.g., >> $ date | colrm
MM> Eh? What else would you expect? A usage message. Anyway it turns out colrm with no args is more like colrm infinity, than colrm 3, colrm 2, colrm 1 etc. $ date|colrm 0 colrm: illegal column -- 0 At least it says something some times.