systemctl
UNIT LOAD ACTIVE SUB DESCRIPTION
…
init.scope loaded active running System and Service Manager
session-2.scope loaded active running Session 2 of user jdoe
abrt-ccpp.service loaded active exited Install ABRT coredump hook
abrt-oops.service loaded active running ABRT kernel log watcher
abrt-vmcore.service loaded active exited Harvest vmcores for ABRT
abrt-xorg.service loaded active running ABRT Xorg log watcher
…
-.slice loaded active active Root Slice
machine.slice loaded active active Virtual Machine and Container Slice system-getty.slice loaded active active system-getty.slice
system-lvm2\x2dpvscan.slice loaded active active system-lvm2\x2dpvscan.slice
system-sshd\x2dkeygen.slice loaded active active system-sshd\x2dkeygen.slice
system-systemd\x2dhibernate\x2dresume.slice loaded active active system-systemd\x2dhibernate\x2dresume>
system-user\x2druntime\x2ddir.slice loaded active active system-user\x2druntime\x2ddir.slice
system.slice loaded active active System Slice
user-1000.slice loaded active active User Slice of UID 1000
user-42.slice loaded active active User Slice of UID 42
user.slice loaded active active User and Session Slice
…
# systemctl
UNIT LOAD ACTIVE SUB DESCRIPTION
…
init.scope loaded active running System and Service Manager
session-2.scope loaded active running Session 2 of user jdoe
abrt-ccpp.service loaded active exited Install ABRT coredump hook
abrt-oops.service loaded active running ABRT kernel log watcher
abrt-vmcore.service loaded active exited Harvest vmcores for ABRT
abrt-xorg.service loaded active running ABRT Xorg log watcher
…
-.slice loaded active active Root Slice
machine.slice loaded active active Virtual Machine and Container Slice system-getty.slice loaded active active system-getty.slice
system-lvm2\x2dpvscan.slice loaded active active system-lvm2\x2dpvscan.slice
system-sshd\x2dkeygen.slice loaded active active system-sshd\x2dkeygen.slice
system-systemd\x2dhibernate\x2dresume.slice loaded active active system-systemd\x2dhibernate\x2dresume>
system-user\x2druntime\x2ddir.slice loaded active active system-user\x2druntime\x2ddir.slice
system.slice loaded active active System Slice
user-1000.slice loaded active active User Slice of UID 1000
user-42.slice loaded active active User Slice of UID 42
user.slice loaded active active User and Session Slice
…
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UNIT
还反映控制组层次结构中单元位置的单元名称。与资源控制相关的单元是 slice、scope 和 service