That makes it seem that the POSIX subsystem only ever did that, which is not true at all. A better explanation is at https://news.ycombinator.com/item?id=11392

That makes it seem that the POSIX subsystem only ever did that, which is not true at all. A better explanation is at https://news.ycombinator.com/item?id=11392369 https://news.ycombinator.com/item?id=11392369 , which gives a version number and a time frame for context. The POSIX subsystem was different in later years.