Notes
- ProcFS is deprecated / not available.
- not maintained / updated, security issues (NetBSD example), etc.)
ptraceis the recommended alternative, though some things are available through/sysctlinstead.- See also:
/sbin/sysctland/usr/bin/procstat
- See sysctl for an
alternative way to read what could have been
cat /proc/sys/net/ipv4/ip_forwardon Linux.