我的 Windows 10 有三个分区，Ubuntu Mate 有两个 ext4 分区（一个用于/，一个用于/home）和一个交换分区。
如何在这两个 ext4 分区之一上安装 Arch Linux？
这是输出fdisk -l
Disk /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x89a9ee55
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 1026048 204802047 203776000 97,2G 7 HPFS/NTFS/exFAT
/dev/sda3 204802048 1852954623 1648152576 785,9G 7 HPFS/NTFS/exFAT
/dev/sda4 1852956670 1953523711 100567042 48G f W95 Ext'd (LBA)
/dev/sda5 1852956672 1899275031 46318360 22,1G 83 Linux
/dev/sda6 1899276288 1948102459 48826172 23,3G 83 Linux
/dev/sda7 1948104704 1953523711 5419008 2,6G 82 Linux swap / Solaris
Partition 4 does not start on physical sector boundary.
Disk /dev/sdb: 14,5 GiB, 15504900096 bytes, 30283008 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0e8688f2
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 16128 30283007 30266880 14,4G c W95 FAT32 (LBA)
/dev/sdb4 12628624 15747075 3118452 1,5G 0 Empty