Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

groups command, 222 , 241

growisofs command, 83 – 84

grpck command, 223

GRUB2 boot loader

checking,    211

errors,  447

installing  Ubuntu,  5

reinstalling,    211 – 212

restoring,   345

guides and books for Linux information, 33 – 34

GUIs (graphical user interfaces). See desktop environments; X Window
System

gunzip command, 208

gv client, 30

gzip command, 208

H

hackers, crackers versus, 402

halt command, 157

hard links, 173

hardware

Android architecture,    696

for backups,    choosing,    328 – 330

networking

configuring,     367 – 375

hubs    and switches,    364

initializing,    365 – 367

network cable,   363 – 364