The syntax for tail(1) is
tail [-options] [file]
Excess file arguments are silently ignored. No big deal, but should
be manualled under BUGS.
It's bad enough that they started numbering from 1 instead of 0 ...
--
Col. G. L. Sicherman
UU: ...{rocksvax|decvax}!sunybcs!colonel
CS: colonel at buffalo-cs
BI: csdsicher at sunyabva