Date representation as YY/DDD or YYYY/DDD

[Wojciech Puchar]

> I am not sure a 'tutorial' is it either because they tend to take a
> person through a couple of particular tasks using the item in
> question, but still not discuss much of the why and wherefor.

What's wrong in FreeBSD handbook and many different paper books available 
about unix? Actually not that many, but still there are available about 
design of unix.

There is no need for "FreeBSD book" as long as books about unix exists, 
and there is FreeBSD handbook.