What does the following btrfs command do? $ sudo btrfs subvolume snapshot src src-01
A.
Creates snapshots of the src src-01 subvolumes
B.
Creates a snapshot of the src-01 subvolumes in src
C.
Creates the src and src-01 subvolumes and takes a snapshot of these subvolumes
D.
Creates a snapshot of the src subvolumes in src-01
Explanation:
*To create a snapshot use
sudo btrfs subvolume snapshot /mnt/@ /mnt/@_snapshot
this will create a snapshot of the @ subvolume named @_snapshot located also in the top of the
btrfs tree.
*btrfs subvolume snapshot [/]
Create a writable snapshot of the subvolume with
the name in the directory.