index_U

Index

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UDF (Universal Disk Format) file system
udf modules
UDP (Universal Datagram Protocol)
ufs modules
UID (User ID) 2nd
     temporarily changing 2nd 3rd 4th
umask command
    file permissions
         viewing
umount command 2nd 3rd
     floppy disks, unmounting
     remote file systems, removing
umsdos modules
uname command
     viewing Linux kernel compilation date
undeleting
     files [See also deleting, files]
         ext2fs undeletion process 2nd 3rd
         mc command-line file management software 2nd 3rd
         mke2fs-S command 2nd
unexpanded variables (shells)
unicast addresses
Unix
     backup levels
UNIX
     DNS security 2nd
     Linux comparisons
Unix
     multimedia support
unless conditional statements (Perl)
Unreal Tournament 2004 [ITAL]
     installing 2nd
unrecoverable file system errors 2nd
unset() function 2nd
unshar command
until loops (Perl)
until statements 2nd
up2date
up2date command
     Apache Web server source code, building
update websites 2nd
updates
     gcc
     network security
     security update websites
    software
         via YUM command 2nd 3rd
         via YUM command, partial updates
     yum command
updating
     installers
    software
         dependency errors
upgrade installation option (Fedora Core)
upgrades
     network security
upgrading
    Apache Web server
         file locations
     BIND
     release cycles 2nd
    software
         via RPM
uplink ports
uploading
     FTP user files to FTP servers 2nd
uptime command 2nd
USB cameras
     as SCSI storage devices
USB devices
     Fedora hardware problems 2nd
     Linux support
USB drives
USB printers
     troubleshooting
USB scanners 2nd 3rd
USB wireless network devices
     support website
use function (Perl)
used memory, displaying
Usenet
     posts to (Perl coding example) 2nd
Usenet newsgroups
     article formats 2nd
     hierarchy of
     naming
     NNTP
     spam filtering 2nd
     threads
Usenet newsgroups websites 2nd 3rd
USER (shell environment variable)
user accounts
     /etc/passwd files
         user lists
     file ownership
     GID 2nd
         temporarily changing 2nd 3rd 4th
     locking users out of
     logical users 2nd
    MySQL
         adding to
    permissions
         chgrp command 2nd
         chmod command 2nd
         chown command 2nd
         viewing
     regular users
    root accounts
         creating (Fedora installation) 2nd
    root users
         elevation of privileges
     superusers
         granting privileges
     system users 2nd
     UID 2nd
         temporarily changing 2nd 3rd 4th
     user stereotypes 2nd
User configuration directive (Apache Web server) 2nd 3rd
user groups
     file permissions, assigning
user information
     changing
     displaying
     verifying
user information directives (ftpaccess configuration file)
     Wu-FTPd server configuration
         displaying adminsitrator email address 2nd
         displaying files 2nd 3rd 4th
         displaying prelogin banners 2nd
         last modification date notifications 2nd
user jobs
     /var/spool/cron directories 2nd
     running
User Mount Tool (KDE)
     file systems, mounting 2nd
user permissions
    specific permissions
         assigning
user satisfaction (Fedora deployment plans) 2nd
user variables (shell scripts)
useradd command 2nd 3rd
     command-line options
     group management
     user management 2nd
userdel command
     deleting users 2nd
     user management
UserDir configuration directive (Apache Web server)
userinfo command
usermod command
     group management
     user management
usermount command
usermount graphical file system management client
     file systems, mounting
usernames
     assigning
     creating
     format of
     passwords
         format of
userpasswd command
users
    FTP users
         assigning permissions
         passwords 2nd 3rd
         uploading files to FTP servers 2nd
     GID 2nd
    group management
         /etc/group files 2nd
         command-line tools 2nd
         group permissions 2nd
     locking out of user accounts
     logical users 2nd
     login process, overview of 2nd 3rd
    managing
         /etc/skel files
         adding users 2nd 3rd
         command-line tools 2nd 3rd
         monitoring user activity 2nd
     password selection 2nd
     regular users
         granting system administrator privileges to 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th
    root users
         elevation of privileges
         IRC clients as
         reading email
     stereotypes 2nd
     superusers 2nd
     system users 2nd
         /etc/passwd files 2nd
     types of lists
     UID 2nd
UTC (Universal Coordinated Time)
UTF-8 language encoding
UTP (unshielded twisted pair) cable
UTP (Unshielded Twisted Pair) cable
uucp (Unix-to-Unix copy program)
     copying files
uudecode command
uuencode command