View file File name : fstrim.service Content :[Unit] Description=Discard unused blocks on filesystems from /etc/fstab Documentation=man:fstrim(8) ConditionVirtualization=!container [Service] Type=oneshot ExecStart=/sbin/fstrim --fstab --verbose --quiet ProtectSystem=strict ProtectHome=yes PrivateDevices=no PrivateNetwork=yes PrivateUsers=no ProtectKernelTunables=yes ProtectKernelModules=yes ProtectControlGroups=yes MemoryDenyWriteExecute=yes SystemCallFilter=@default @file-system @basic-io @system-service