A question about 6.2 release

Dear sir, My first language is not English, if I made some bad words or expression, please forgive me. I have learned from your web site http://www.freebsd.org that 6.2-stable is relased on 15 Jan, 2007. But why there is also 6.2-stable snapshots released in May 2007 and June

a simple question about snapshot, thanks for reply

Dear sir, My first English is not English, please forgive me if I made some bad words or expression. I have learned from your web site http://www.freebsd.org, that version 6.2 is released in 15 Jan, 2007. Is that a stable release? If it is, why there is 6.2-stable

a simple question about snapshot, thanks for reply

Dear sir, My first language is not English, please forgive me if I made some bad words or expression. I have learned from your web site http://www.freebsd.org, that version 6.2 is released in 15 Jan, 2007. Is that a stable release? If it is, why there is 6.2-stable

A simple question about patches for FreeBSD from http://security.freebsd.org/patches

Dear sir, My first language is not English, please forgive me if I made some bad words. And I do not know if that is the right e-mail address to ask questions. I copy a few lines from http://security.freebsd.org/ -