7z

Установка

apt-get install p7zip-full

Архивация

7za a ./dump.sql.7z ./dump.sql

a – add to archive

tar -cpf – /home/goober | 7za a -si -mx=9 /tmp/myarchive.tar.7z 1>/dev/null 2>&1

Разархивация

7za e ./dump.sql.7z

x - will eXtract with the full paths

e - will just extract all the files into the same directory, which is probably not what you want.