at files and permissions

[Guy Harris]

>	2) BSD *does* allow you to give files away.

No, it doesn't - not vanilla 4.xBSD, anyway; you have to be root to
change the ownership of a file.  It may allow you to make some limited
changes to the *group* IDs of files you own, but that's a different matter.

>In SVR3, there's no specific utility to run the "at" jobs, they seem to
>be simply shovelled into cron.

Yup, "cron" runs 'em both, and has since S5R2.