Add Ports in new BSD

You can use sysinstall to install BSD Ports or try this comment line do the same thing

portsnap fetch extract > & /dev/null &

tar zxvf / jxvf

IF you tar zxvf xxx.tar.bz2, than get error message like this.

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error exit delayed from previous errors

try this

tar jxvf xxx.tar.bz2