There wasn't a lot of code review going around our group in 1991 - but you're absolutely right that it would be harder to get away with today. There are a lot

There wasn't a lot of code review going around our group in 1991 - but you're absolutely right that it would be harder to get away with today. There are a lot of hidden knobs in various places across various systems, and they are a potential liability since they're frequently untested and may even be a vector for an exploit... sudo dtrace -qn 'pid$target::getenv:entry { printf("getenv ( %s )\n", copyinstr(arg0)); }' -c "/bin/ls -l"