Keywords - U

· ! · 0 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z ·

uc_tz_t

· Setting the time zone ·

UDMA (Ultra Direct Memory Access)

· EIDE · Troubleshooting for devb-eide ·

UHCI (Universal Host Controller Interface)

· USB devices ·

ulimit

· File descriptors ·

Ultra Direct Memory Access

See UDMA

umask

· /etc/profile · Default file permissions ·

umount

· Mounting and unmounting filesystems · Starting the network manager, protocols, and drivers ·

uname

· UNIX ·

undeleting a zapped file

· Recovering a zapped file ·

Unicode

filenames

· Filename rules ·

typing

· ped · Workspace (ws) ·

unions, directory

· Pathname-space mapping ·

Universal Host Controller Interface

See UHCI

Universal Serial Bus

See USB

UNIX, compared to Neutrino

· UNIX ·

unlink()

· Symbolic links ·

unnamed semaphores

limits

· Synchronization primitives ·

Unshielded Twisted Pair

See UTP

up arrow

· History: recalling commands · The keyboard at a glance ·

update (CVS command)

· Removing and restoring files ·

usage messages

· Displaying online usage messages · Filename extensions ·

usb

· USB devices ·

USB (Universal Serial Bus)

· USB devices ·

mass-storage devices

· Mass-storage devices ·

use (command)

· Displaying online usage messages · UNIX ·

use (file extension)

· Filename extensions ·

useqnet

· /etc · /etc/system/sysinit · Creating useqnet ·

USERNAME (DOS variable)

· MS-DOS local command-interpreter variables ·

users

accounts

managing

· Managing other accounts ·

reading /etc/passwd

· Account database ·

troubleshooting

· Troubleshooting ·

adding

· Adding users ·

embedded systems

· Managing User Accounts ·

IDs

· User accounts vs user IDs: login, lookup, and permissions · What does a user account do? ·

assigning

· Adding users ·

name, login

· Adding users · User accounts vs user IDs: login, lookup, and permissions · What does a user account do? ·

name, real

· /etc/passwd · Adding users ·

removing

· Removing accounts ·

root

· User accounts vs user IDs: login, lookup, and permissions ·

running programs as a specific

· Setuid and setgid ·

trusted

· Running the Internet daemons ·

usr

· /usr ·

UTC (Coordinated Universal Time)

· /etc/system/sysinit · Setting the time zone ·

hardware clock

· /etc/system/sysinit · Troubleshooting ·

UTF-8

filenames

· Filename rules ·

typing

· ped · Workspace (ws) ·

utilities

basic

· Basic commands ·

documentation

· /usr ·

DOS, equivalents for

· DOS commands and their Neutrino equivalents ·

location of

· /bin · /sbin · /usr ·

logging information about users

· Account database ·

names, completing

· Command and filename completion ·

remote execution

· Executing commands on another node or tty ·

syntax conventions

· Understanding command syntax ·

usage messages

· Displaying online usage messages ·

UTP (Unshielded Twisted Pair)

· Active Interface Type ·

· ! · 0 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z ·