Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

fixing  sudo    errors,  152 – 154

removing    users,   155

warnings    about,   151 – 152

SuperTux, 102 – 103

SVG file format, 78

Swift, 564

switches, 364 , 628 – 629

switching

desktop environments,    46

virtual consoles,    125

symbolic debugging, 649

symbolic links, creating, 438

symlinks, 173 – 174

Synaptic, 110 – 112

sync command, 419

synchronizing file system, 419

sysadmins, DevOps versus, 559 – 560

sysctl command, 401 , 420 – 421

sysrq.txt, 432

system configuration management. See configuration management

system freeze, resetting with REISUB, 210 – 211

system information, listing, 176 – 177

system jobs, 246 – 247

System Monitor, 312

system monitoring

console-based   monitoring  tools

checking    log files,   307 – 309

disk    usage,   306 – 307

kill    command,     303 – 304