查看“︁FreeBSD:Upgrade”︁的源代码

https://www.freebsd.org/releases/12.2R/installation/#upgrade

<source lang="bash">
freebsd-update fetch
uname -a
freebsd-update upgrade -r 12.2-RELEASE
freebsd-update install

shutdown -r now

# 注意重启后还需要install一下
freebsd-update install
</source>


[[Category:Linux/Unix]]