tmutil

# Set an HFS+ drive as the backup destination:
$ sudo tmutil setdestination path/to/disk_mount_point

# Set an APF share or SMB share as the backup destination:
$ sudo tmutil setdestination "protocol://user[:password]@host/share"

# Append the given destination to the list of destinations:
$ sudo tmutil setdestination -a destination

# Enable automatic backups:
$ sudo tmutil enable

# Disable automatic backups:
$ sudo tmutil disable

# Start a backup, if one is not running already, and release control of the shell:
$ sudo tmutil startbackup

# Start a backup and block until the backup is finished:
$ sudo tmutil startbackup -b

# Stop a backup:
$ sudo tmutil stopbackup

$ tmutil listlocalsnapshots / | grep -v disk | awk -F'[.]' '{print $4}' | xargs -I {} tmutil deletelocalsnapshots {}