macos# tmutil listlocalsnapshots /; tmutil deletelocalsnapshots com.apple.TimeMachine.2018-01-26-044042; /System/Library/Filesystems/apfs.fs/Contents/Resources/mount_apfs -s com.apple.TimeMachine.2018-01-26-044042 / /mnt
List all APFS snapshots on local disk; delete a snapshot to free up space and mount a snapshot to recover files.