5.2.1 FreeBSD のインストーラ USB で起動し、パーティショ ン操作でシェルプロンプトへ

1. Welcome: [<Install>]
2. Keymap Selection: [>>> Continue with deault keymap]
3. Set Hostname: "install_machine_host_name"
4. Distribution Select: doc, kernel-dbg, lib32, tests
5. Partitioning: [Shell]