21/06/27 20:08:43.97 MojTi1K50.net
$ 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
どうやってbtrfsのコマンド類をマスターしたのでしょう？ まとまったいいページありますか？