root@localhost:~# systemctl list-units | cat
UNIT LOAD ACTIVE SUB DESCRIPTION
proc-sys-fs-binfmt_misc.automount loaded active running Arbitrary Executable File Formats File System Automount Point
sys-devices-pci0000:00-0000:00:03.0-virtio0-net-eth0.device loaded active plugged Virtio network device
sys-devices-pci0000:00-0000:00:04.0-virtio1-block-vda-vda1.device loaded active plugged /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/vda1
...
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
221 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
root@localhost:~# systemctl | cat
UNIT LOAD ACTIVE SUB DESCRIPTION
proc-sys-fs-binfmt_misc.automount loaded active running Arbitrary Executable File Formats File System Automount Point
sys-devices-pci0000:00-0000:00:03.0-virtio0-net-eth0.device loaded active plugged Virtio network device
sys-devices-pci0000:00-0000:00:04.0-virtio1-block-vda-vda1.device loaded active plugged /sys/devices/pci0000:00/0000:00:04.0/virtio1/block/vda/vda1
...
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
221 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.