Limiting logons to licensed number: how?

[Richard A. Dramstad]

In article <1029 at ucbtopaz.CC.Berkeley.ARPA> bugoff2 at ucbtopaz.CC.Berkeley.ARPA (J. Bradley) writes:
>As a purely academic question: how do outfits like
>DEC (Micro-Vax II) and VenturCom (Venix, DEC Pro/Venix)
>limit the number of "init"'s for logons?  Both companies
>want to charge a user license fee by the logon.
> ...
>Again as a purely academic question: is the trick done in
>the kernel, "/unix", or in "init", or where?
>
>J. Bradley

  According to some notes I took at the Portland BSD4.3 internals
course, Ultrix uses BSD's quota mechanism to enforce AT&T binary
license restrictions.

Dick Dramstad