Donncha O Caoimh asked
> ulimit -a reports that a user can have up to 1024 files open. Is that
> per user or per process?
That's per process, and each user is limited to the same number of processes.
the [gs]etrlimit system calls allow you to modify resource limits, but I
don't think a user can modify his RLIMIT_NOFILE value under Linux, or even
if that value can be modified at all.
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