> It probably won't scale too well; if you have a passwd database with,
> say, 40,000 users already, the first time you run 'vipw -h', it's going
> to have to go out and stat 40,000 paths.  Don't know if you've noted, but
> namei() is probably one of the more expensive filesystem operations :-).

Well, you do not _have_ to use the -h flag, it's just an option ;o)

But we could improve the thing by keeping track of the added users
during the vipw session, and create only the revelant directories. But
with 40,000 users, that will eat a lot of memory.

-- 
Emmanuel Dreyfus.  
Pas de processeur Intel, pas de logiciels Microsoft:
Des programmes sains dans un ordinateur sain.
p99dreyf@criens.u-psud.fr