Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

system user permissions, granting temporarily, 234

su  command,     234 – 236

sudo    command,     236 – 239

system-config-printer client, 459

systemctl condrestart command, 298

systemctl default command, 296

systemctl disable command, 298

systemctl enable command, 298

systemctl halt command, 298

systemctl reboot command, 298

systemctl reload command, 298

systemctl restart command, 298

systemctl start command, 298

systemctl status command, 298

systemctl stop command, 298

systemd, 289 – 290 , 570

commands    in,  298 – 299 ,     473

runlevels   and,     293

system-search command, 665

SysVinit, 289 – 290 , 292