http://cypherpunk-handbook.i2p/articles/openbsd.html
Fedora Secureblue removed suid-root, sudo, su and
pkexec to use run0, reinforcing sudo insecurity. 9 - freezero(3) The libc function freezero(3) allows programs to free memory that
holds sensitive data, and to overwrite it with zeros. On Linux you have equivalent APIs, but not by default. 10 - httpd(8) OpenBSD has a hardened version of Apache httpd in the base
system. 11 - KARL At every install, upgrade, and boot, a new kernel is generated with
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