it seems all ok.
My Path settings look like that:
PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/empeg/bin

and the tail command is in /usr/bin
-rwxr-xr-x 1 root root 17028 Feb 21 1999 tail

Where do you have your tail command?

thank's Mirko

.: i love my empeg!!