Ubuntu - SystemD - Manage Services - Show all installed unit files

systemctl list-unit-files

returns:

UNIT FILE                                                                  STATE           VENDOR PRESET
proc-sys-fs-binfmt_misc.automount                                          static          -            
-.mount                                                                    generated       -            
boot-efi.mount                                                             generated       -            
dev-hugepages.mount                                                        static          -            
dev-mqueue.mount                                                           static          -            
proc-sys-fs-binfmt_misc.mount                                              disabled        disabled     
snap-bare-5.mount                                                          enabled         enabled      
snap-core20-1879.mount                                                     enabled         enabled      
snap-core20-1891.mount                                                     enabled         enabled      
snap-core22-617.mount                                                      enabled         enabled      
snap-core22-634.mount                                                      enabled         enabled      
snap-firefox-2667.mount                                                    enabled         enabled      
snap-firefox-2710.mount                                                    enabled         enabled      
snap-gnome\x2d3\x2d38\x2d2004-137.mount                                    enabled         enabled      
snap-gnome\x2d3\x2d38\x2d2004-140.mount                                    enabled         enabled      
snap-gnome\x2d42\x2d2204-102.mount                                         enabled         enabled      
snap-gnome\x2d42\x2d2204-99.mount                                          enabled         enabled      
snap-gtk\x2dcommon\x2dthemes-1535.mount                                    enabled         enabled      
snap-kde\x2dframeworks\x2d5\x2d102\x2dqt\x2d5\x2d15\x2d8\x2dcore22-5.mount enabled         enabled      
snap-kde\x2dframeworks\x2d5\x2d96\x2dqt\x2d5\x2d15\x2d5\x2dcore20-7.mount  enabled         enabled      
snap-keepassxc-1645.mount                                                  enabled         enabled      
snap-keepassxc-1689.mount                                                  enabled         enabled      
snap-mesa\x2dcore20-125.mount                                              enabled         enabled      
snap-picard-1230.mount                                                     enabled         enabled      
snap-plex\x2ddesktop-37.mount                                              enabled         enabled      
snap-plex\x2ddesktop-38.mount                                              enabled         enabled      
snap-snap\x2dstore-638.mount                                               enabled         enabled      
snap-snap\x2dstore-959.mount                                               enabled         enabled      
snap-snapd-19122.mount                                                     enabled         enabled      
snap-snapd-19361.mount                                                     enabled         enabled      
snap-snapd\x2ddesktop\x2dintegration-57.mount                              enabled         enabled      
snap-snapd\x2ddesktop\x2dintegration-83.mount                              enabled         enabled      
sys-fs-fuse-connections.mount                                              static          -            
sys-kernel-config.mount                                                    static          -            
sys-kernel-debug.mount                                                     static          -            
sys-kernel-tracing.mount                                                   static          -            
var-snap-firefox-common-host\x2dhunspell.mount                             enabled         enabled      
acpid.path                                                                 enabled         enabled      
apport-autoreport.path                                                     enabled         enabled      
cups.path                                                                  enabled         enabled      
systemd-ask-password-console.path                                          static          -            
systemd-ask-password-plymouth.path                                         static          -            
systemd-ask-password-wall.path                                             static          -            
whoopsie.path                                                              enabled         enabled      
session-2.scope                                                            transient       -            
accounts-daemon.service                                                    enabled         enabled      
acpid.service                                                              disabled        enabled      
alsa-restore.service                                                       static          -            
alsa-state.service                                                         static          -            
alsa-utils.service                                                         masked          enabled      
anacron.service                                                            enabled         enabled      
apparmor.service                                                           enabled         enabled      
apport-autoreport.service                                                  static          -            
apport-forward@.service                                                    static          -            
apport.service                                                             generated       -            
apt-daily-upgrade.service                                                  static          -            
apt-daily.service                                                          static          -            
apt-news.service                                                           static          -            
autovt@.service                                                            alias           -            
avahi-daemon.service                                                       enabled         enabled      
bluetooth.service                                                          enabled         enabled      
bolt.service                                                               static          -            
brltty-udev.service                                                        static          -            
brltty.service                                                             disabled        enabled      
ckb-next-daemon.service                                                    enabled         enabled      
colord.service                                                             static          -            
configure-printer@.service                                                 static          -            
console-getty.service                                                      disabled        disabled     
console-setup.service                                                      enabled         enabled      
container-getty@.service                                                   static          -            
cron.service                                                               enabled         enabled      
cryptdisks-early.service                                                   masked          enabled      
cryptdisks.service                                                         masked          enabled      
...
...
...
397 unit files listed.