I'm not sure if something went wrong during the installation, but
under a new 4.8 system I've found the protections on /dev/mem, kmem,
stdin, stdout, stderr very restrictive.
In particular, mem & kmem were owned by root.wheel, with protection
0700, which effectively stopped, eg, "top" from working. I've changed
those to be group kmem, and group-readable -- is this likely to open
up some gaping security hole?
Similarly, the protection on /dev/stdin (again 0700 iirc) annoys
tvtwm, which can't run m4 as it wishes, and I'm currently having to
use tvtwm -M
Has anyone else had these problems? What should the
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