wikipedia
Darwin is open frumtrah POSIX-cwēmende spearcetella æhtendebyrd þe Apple Inc. in 2000 ālīesode. Hēo hæfþ regol þe Apple fulfēold, and regol fram NEXTSTEP, BSD, and ōðrum frēo hnescewaru weorcum.

Darwin is Mac OS Xes and iPhone OSes staðol, and mid þǣm Ān UNIX Lagu fadunge 3 and POSIX UNIX gefremmingum wyrcþ.

Frumtrah 

Spearatellas
Æhtendebyrd
Mac OS X
Apple Inc.
UNIX
BSD
Frēo hnescewaru