Symbols & Numbers | 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

Index: U

UDP (User Datagram Protocol): 15.1.1. TCP/IP Concepts

uid field (passwd file): 5.7.1. The passwd File

UIDs (user IDs), NFS, NIS and: 15.5.1. Configuring NFS

umount command: 6.1.2. Mounting Filesystems

UMSDOS filesystem: 6.1.1. Filesystem Types

uname command: 7.4. Building a New Kernel

uncompress program: 7.1.1. Using gzip and bzip2

uncompressing files: 7.1.1. Using gzip and bzip2

undo command (Emacs): 11.6.2. Emacs and Other Editors

undoing edits (vi editor): 9.1.3. Deleting Text and Undoing Changes

Unicode filesystem compatibility: 6.1.1. Filesystem Types

Uniform Resource Locators (URLs): 16.1. The World Wide Web

Unix, history of: 1.2. A Brief History of Linux

up command (lpc): 8.4.12. Controlling Printer Services with lpc

update program: 5.5. Shutting Down the System

upgrading

compiler: 7.2.2. Upgrading the Compiler

general procedure: 7.3. General Upgrade Procedure

kernel patches: 7.4.1.2. Applying patches

libraries: 7.2.1. Upgrading Libraries

software

non-RPM: 7.3.3. Upgrading Other Software

overview: 7.2. Upgrading Software

URLs (Uniform Resource Locators): 16.1. The World Wide Web

USB devices, support: 12. Windows Compatibility and Samba

user accounts

creating: 3.2.1. Creating a User Account

3.2.1. Creating a User Account

5.7.5. Creating Accounts

deleting: 5.7.6. Deleting and Disabling Accounts

disabling: 5.7.6. Deleting and Disabling Accounts

management: 5.7. Managing User Accounts

passwd file: 5.7.1. The passwd File

5.7.1. The passwd File

shadow passwords: 5.7.2. Shadow Passwords

modifying: 5.7.7. Modifying User Accounts

user groups: 5.7.4. The Group File

User Datagram Protocol (UDP): 15.1.1. TCP/IP Concepts

user groups and distribution packages: 2.1.1. Getting Linux via Mail Order or Other Hard Media

user interfaces

desktop environments: 1.5.6. KDE and GNOME

X Window System: 1.5.5. The X Window System

UserDir directive: 16.1.2.1. httpd.conf

username field (passwd file): 5.7.1. The passwd File

users

dummy and cron: 8.2. Scheduling Jobs Using cron

home directories, backups: 8.1.1. Simple Backups

logged in, logs: 8.3. Managing System Logs

Samba, adding: 12.2.2.3. Adding users

/usr directory

/usr/lib directory: 13.1.7. More Fun with Libraries

/usr/X11R6 directory: 10.3. Installing XFree86

usr/bin directory: 4.16. Important Directories

usr/include directory: 4.16. Important Directories

usr/lib directory: 4.16. Important Directories

backups and: 8.1.1. Simple Backups

usr/lib/X11 directory: 4.16. Important Directories

usr/local directory: 4.16. Important Directories

usr/sbin directory: 4.16. Important Directories

usr/src directory: 4.16. Important Directories

source distributions: 7.3.3. Upgrading Other Software

usr/src/linux directory: 7.4. Building a New Kernel

kernel sources and backups: 8.1.1. Simple Backups

utilities: 1.5.1. Basic Commands and Utilities

4.4.1. Directories

(see also commands)

archiving and compressing files: 7.1. Archive and Compression Utilities

fdisk: 2.2.4. Repartitioning Your Drives

laptop computer support: 1.5.8. Laptop Support

MTools: 12.1. Sharing Disks with MTools

networking: 1.5.7. Networking

overview: 1.5.1. Basic Commands and Utilities

printing: 8.4.4. Checking Print Utilities

programming: 1.5.4. Programming Languages and Utilities

1.5.4. Programming Languages and Utilities

text-processing: 1.5.2. Text Processing and Word Processing

tunelp: 8.4.13. Printer Optimization

user accounts, creating: 3.2.1. Creating a User Account

Windows/MS-DOS compatibility: 1.5.9. Interfacing with Windows and MS-DOS

utmp file: 8.3. Managing System Logs

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