====== Ubuntu - SystemD - List Active Targets ======
systemctl list-units --type target
returns:
UNIT LOAD ACTIVE SUB DESCRIPTION
basic.target loaded active active Basic System
bluetooth.target loaded active active Bluetooth Support
cryptsetup.target loaded active active Local Encrypted Volumes
getty-pre.target loaded active active Preparation for Logins
getty.target loaded active active Login Prompts
graphical.target loaded active active Graphical Interface
local-fs-pre.target loaded active active Preparation for Local File Systems
local-fs.target loaded active active Local File Systems
multi-user.target loaded active active Multi-User System
network-online.target loaded active active Network is Online
network-pre.target loaded active active Preparation for Network
network.target loaded active active Network
nss-lookup.target loaded active active Host and Network Name Lookups
nss-user-lookup.target loaded active active User and Group Name Lookups
paths.target loaded active active Path Units
remote-fs.target loaded active active Remote File Systems
slices.target loaded active active Slice Units
snapd.mounts-pre.target loaded active active Mounting snaps
snapd.mounts.target loaded active active Mounted snaps
sockets.target loaded active active Socket Units
sound.target loaded active active Sound Card
swap.target loaded active active Swaps
sysinit.target loaded active active System Initialization
time-set.target loaded active active System Time Set
timers.target loaded active active Timer Units
veritysetup.target loaded active active Local Verity Protected Volumes
LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
26 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.