U

Index

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UDF (Universal Disc Format)
UDP (User Datagram Protocol)
uid field
uid field (passwd file)
UMASK 2nd
umask command
umount command
UMSDOS filesystem
uname command
uncompress program
uncompressing files
undo command (Emacs)
undoing changes, text
Unicode
     filesystem compatibility
Uniform Resource Locators (URLs)
uninstalling packages
Universal Disc Format (UDF)
Universal Serial Bus (USB)
Unix standards
Unix, relation to Linux
Unreal Tournament 2004
Unsharp Mask filter (GIMP)
up command (gdb)
UPDATE SQL statement
updating
     security
     servers
     styles
     Unreal Tournament 2004
upgrading
     compilers
     kernel patches
     libraries
     software
         automating
         non-RPM
         process of
URLs (Uniform Resource Locators)
USB (Universal Serial Bus)
user accounts
     creating 2nd 3rd
     deleting
     disabling
     management
         passwd file 2nd
         shadow passwords
     modifying
     MySQL
     system administration
     user groups
User Datagram Protocol (UDP)
user groups
user interfaces
     desktop environments
     X Window System
UserDir directive
usernames
users
     dummy and cron
     home directories, backups
     logged in, logs
     multiple
     RDP
     Samba, adding
/usr directory
/usr/bin/mailq command
/usr/bin/newaliases command
/usr/lib directory, backups and
/usr/sbin/sendmail command
/usr/src directory, source distributions
/usr/src/linux directory
     kernel sources and backups
utilities 2nd
     archiving and compressing files
     Autoconf tool
     Automake
    cron
         job control
         output
         scheduling recurring jobs
         tmp directory
     debuggers
     dig
     du
     enscript
     file translation
     gcc
         C++
         debugging
         libraries
         optimizing
         source files
     imake tool
     interfaces, building
     KGhostview
     makefiles
     performance
     printer configuration tool
     profiling
     programming
     SpamAssassin
     strace tool
     tar
     user accounts, creating
     Windows/MS-DOS compatibility
     World Wide Web access
utmp file