$ sudo btrfs sub list . ID 2333 gen 171991 top level 5 path timeshift-btrfs/snapshots/2021-06-22_22-32-03/@ ID 2334 gen 168748 top level 5 path timeshift-btrfs/snapshots/2021-06-22_22-32-03/@home ID 2343 gen 172433 top level 5 path @home ID 2344 gen 172433 top level 5 path @ ID 2355 gen 171015 top level 5 path 昇級前退避 ID 2356 gen 171018 top level 5 path 昇級前退避home ID 2375 gen 172321 top level 5 path timeshift-btrfs/snapshots/2021-06-27_16-24-22/@ ID 2376 gen 172322 top level 5 path timeshift-btrfs/snapshots/2021-06-27_16-24-22/@home