wireless network support in, 382 – 383Ubuntu Budgie, 94 – 95
Ubuntu Cloud, 560
OpenStack and, 563 – 565Ubuntu Core, 121 – 122 , 566
Ubuntu Kylin, 95
Ubuntu MaaS (Metal as a Service), 566
Ubuntu Make, 663
Ubuntu MATE, 94
Ubuntu QA Team, 677 , 678 – 679
Ubuntu Software, 109 – 110
Ubuntu Testing Team, 678
ubuntu-restricted-extras package, 86 – 87
UEFI (Unified Extensible Firmware Interface), 6 , 291 – 292
UFW (Uncomplicated Firewall), 407 – 410
ufw command, 389
UIDs (user IDs), 220
umask command, 139 , 143
umount command, 452 , 459
uname command, 24 , 438
unbootable system, troubleshooting, 210 – 211
Uncomplicated Firewall (UFW), 407 – 410
unicast addressing, 360
Unified Extensible Firmware Interface (UEFI), 6 , 291 – 292
uninstalling. See removing
Unison, 336
Unity, 89
Universe repository, 112 – 113
UnQL (Unstructured Query Language), 539 – 540