统信桌面操作系统专业版V20（1070）
Linux uos 5.10.97-arm64-desktop
uos基础 default.target.wants 查看wants目录文件
- wants文件夹内都是要执行的文件
root@uos:/etc/systemd/system# ls
basic.target.wants display-manager.service printer.target.wants
bluetooth.target.wants dmcg.service sockets.target.wants
cryptsetup.target.wants getty.target.wants suspend.target.wants
dbus-fi.w1.wpa_supplicant1.service graphical.target.wants sysinit.target.wants
dbus-org.bluez.service hibernate.target.wants syslog.service
dbus-org.freedesktop.ModemManager1.service hostapd.service systemd-rfkill.service
dbus-org.freedesktop.nm-dispatcher.service local-fs.target.d systemd-rfkill.socket
dbus-org.freedesktop.timesync1.service multi-user.target.wants timers.target.wants
default.target network-online.target.wants udcp-iam-cleanup.service
default.target.wants ppts.service umount.target.requires
root@uos:/etc/systemd/system# cd default.target.wants/
root@uos:/etc/systemd/system/default.target.wants# ls
haveged.service zram_swap.service
root@uos:/etc/systemd/system/default.target.wants# cat haveged.service
[Unit]
Description=Entropy daemon using the HAVEGE algorithm
Documentation=man:haveged(8) http://www.issihosts.com/haveged/
DefaultDependencies=no
ConditionVirtualization=!container
After=apparmor.service systemd-random-seed.service systemd-tmpfiles-setup.service
Before=sysinit.target shutdown.target
[Service]
EnvironmentFile=-/etc/default/haveged
ExecStart=/usr/sbin/haveged --Foreground --verbose=1 $DAEMON_ARGS
SuccessExitStatus=143
SecureBits=noroot-locked
NoNewPrivileges=yes
CapabilityBoundingSet=CAP_SYS_ADMIN
PrivateTmp=yes
PrivateDevices=yes
PrivateNetwork=yes
ProtectSystem=full
ProtectHome=yes
[Install]
WantedBy=default.target
root@uos:/etc/systemd/system/default.target.wants# cat zram_swap.service
[Unit]
Description=Create swap space on zram
[Service]
Type=oneshot
ExecStart=/usr/bin/zram_swap
RemainAfterExit=yes
[Install]
WantedBy=default.target
root@uos:/etc/systemd/system/default.target.wants#
