Why sick? That was the directory for binaries that weren't meant to be run directly — `getty`, `login`, etc. Today there's much more software, so some things g

Why sick? That was the directory for binaries that weren't meant to be run directly — `getty`, `login`, etc. Today there's much more software, so some things got moved into finer-grained locations like /libexec and /sbin. That wasn't the case in the /etc/glob era when the entire UNIX system was smaller than today's average web page.