https://wiki.archlinuxcn.org/wiki/Arch_%E7%9A%84%E5%90%AF%E5%8A%A8%E6%B5%81%E7%A8%8B

内核参数

• 如果没有设置显示启动菜单, 你需要按住Space启动电脑来进入启动菜单 。
• 如果不能够从启动菜单上进行编辑，修改 /boot/loader/loader.conf 加入 editor 1 来开启编辑功能。
• 如果想永久加入参数，编辑 /boot/loader/entries/arch.conf 的options 行

```bash
[arch@x280 ~]$ bootctl list
         type: Boot Loader Specification Type #1 (.conf)
        title: Arch Linux (default) (selected)
           id: arch.conf
       source: /boot//loader/entries/arch.conf (on the EFI System Partition)
        linux: /boot//vmlinuz-linux
       initrd: /boot//intel-ucode.img
               /boot//initramfs-linux.img
      options: root=UUID=146f0dc9-3f51-4639-9259-9c727fdcd5bc rw

         type: Automatic
        title: Reboot Into Firmware Interface
           id: auto-reboot-to-firmware-setup
       source: /sys/firmware/efi/efivars/LoaderEntries-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f (on the EFI Syst>...