格式化分区 fdisk /dev/sda mkfs.ext4 /dev/sda1 ==>boot mkfs.ext4 /dev/sda2 ==>/ mkfs.ext4 /dev/sda3 ==>tmp mkfs.ext4 /dev/sda6 ==>home mkswap /dev/sda5 ==>swap 挂载分区 mount /dev/sda2 /mnt mkdir