FreeBSD 6 Unleashed

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UDMA (ultra direct memory access) modes

UDP (User Datagram Protocol) 2nd

UFS (Unix Filesystem) 2nd

UIDs (user IDs) 2nd

ultra direct memory access (UDMA) modes

umount command 2nd 3rd 4th

unalias command

unencrypted wireless connectivity

UNIX

     design philosophy

     history of

     installation floppies, creating

     kernel panics

     newsgroups

     Unix Filesystem

UNKNOWN firewall type

unloading kernel modules

unmounting

    filesystems

         CD-ROMs

         floppy disks

         FreeBSD

         other removable media

     hard disks

unset command

unshielded twisted-pair (UTP) cables

unshift() operator

until loops 2nd

ip-up scripts

UPDATE command (SQL)

updates [See also upgrades.]

     ports

         CVSup

         forbidden ports

     rows

     Soft Updates 2nd

UPDATING text files

upgrades [See also updates.]

     active lines of development, upgrading to

     binary upgrades

    FreeBSD sources

         CURRENT source branch

         STABLE source branch

         tracking

     interim builds, upgrading to

     make world upgrades

         /etc/group and /etc/passwd, merging

         /etc/make.conf, merging

         /usr/obj, cleaning out

         cautions

         custom kernels, upgrading

         GENERIC kernels, upgrading

         mailing lists

         make buildworld command

         make installworld command

         mergemaster command

         output logs, creating

         preparation

         source synchronization with CVSup

         table of compilation steps

         troubleshooting

         UPDATING text files

     packages

     ports

         portinstall

         Portupgrade

     rebooting after

     release versions, upgrading to

     upgrade targets, selecting

uplink ports

uptime

USB devices

Usenet newsgroups

     FreeBSD-related resources

     FreeBSD-specific resources

User Commands section (online manuals)

User Datagram Protocol (UDP) 2nd

User field (/etc/ftphosts)

user IDs (UIDs) 2nd

user PPP 2nd

user-level access control (Samba)

user-management commands

usernames

     configuration

     mapping

users [See also groups.]

     /etc/master.passwd file

     /etc/passwd file

     ACLs (Access Control Lists) 2nd

         adding users/groups to

         current settings, viewing

         deleting entries from

         denying access with

         kernel support, configuring

         maximum permissions masks

         enabling on mounted filesystems

         UFS1 filesystem support

     adding to groups

     adding to system

         adduser

         home directories

         group membership

         Login IDs

         names

         passwords

         login shells

         UIDs

     automated users

     file ownership

         changing

         group ownership

         listing

     file/directory permissions

         capabilities granted by

         changing

    interacting with

         command substitution

         command-line arguments

         STDIN, reading input from

     login users

     managing with NIS (Network Information Service)

     regular users

     removing 2nd

     super-users

     UIDs (user IDs) 2nd

     user-management commands

     usernames

         configuration

         mapping

     wheel users

UTP (unshielded twisted-pair) cables

uudecode

uuencode