Gentoo is extremely thought out and over engineered. They seem to do most everything right. . . It's just so much work though. Note also on the [[ ]] usage...

Gentoo is extremely thought out and over engineered. They seem to do most everything right. . . It's just so much work though. Note also on the [[ ]] usage... you'll see that [[ ]] won't work for boolean algebra ie. '||' and '&&'