Index

UDMA (ultra DMA), 229

UDMA-ATA systems, 450

UDP/IP datagram, 267

UID. See user ID

ultra DMA (UDMA), 229

umount command, 415

Uniprint drivers, 361

UNIX threading, 427

unstable tree, Debian, 547

untrusted interfaces, 294

untrusted network, 270. See also trusted network

up2date

for Fedora upgrading, 58

options, 43

overview, 40

software package, 14, 40

up2date repository type

apt, 41

dir, 41

Yum, 41

update problems, troubleshooting, 51

updates

non-security-related, 48

security-related, 46

updating, Fedora Core, 39

upgrade problems, troubleshooting

graphics drivers, 59

overview, 58

third-party updates, checking, 59

Ximian GNOME desktop, updating, 58

upgrade.log file, 55

upgrading, Fedora Core, 51

USB Communication Device Class Abstract Control Model (CDC ACM) specification, 346

USB modems drivers, 346

user access controlling in Apache, 440

user ID (UID), 447. See also group ID; user private groups

user private groups (UPG). See also group ID; user ID

defined, 447

implementing, 447

user space

control system, 272

defined, 270