>You could have said the same thing about unix-like operating systems in 1991 - yet, somebody wrote one from scratch without a full-time team Err, at 1991 he j

>You could have said the same thing about unix-like operating systems in 1991 - yet, somebody wrote one from scratch without a full-time team Err, at 1991 he just wrote a rudimentary OS from scratch. To make it more unix-like, stable and feature full took hundreds of people, including tens of full time company employees (IBM, RedHat, etc).