U

Index

[SYMBOL] [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]

UID shell variable
ul command
ulimit command
umask command
     bash and ksh
     ftp
umount command 2nd
unabbreviate command (ex)
unalias command
uname command
unary operators
     bash and ksh shells
     bc program
uncompress command
underscores, translating to underlining
undo command (ex)
undoing commands, Emacs
unedit command (CVS)
unexpand command
unhide command (ex)
unicode_start command
unicode_stop command
uniq command
Universal Serial Bus (USB) devices, listing
Universal Unique Identifier (UUID)
Unix shell command (sh)
Unix, compared to Linux
unmap command (ex)
unset command
until shell keyword
up2date
     command-line and a graphical interfaces
     commands
     options
up2date-config command
up2date-nox command
update command
     cvs
     svn
     yum
upgrade command (yum)
upper character class
uppermem command (GRUB)
uptime command
USB (Universal Serial Bus) devices, listing
USB (Universal Serial Bus), locating scanners
Usenet newsgroups
user accounts, NIS
user command (ftp)
user ID, printing current
USER internal variable
useradd command
userdel command
usermod command
users
     creating or updating system users
     enabling mounting/unmounting of filesystems
     information about, finger command
     logged-in, showing for system
     login name, finding
     management commands
     printing message to all logged into a host (rwall)
     reporting on with rusers and rusersd
     reporting those logged onto machines on local network
users command
usleep command
uudecode command
uuencode command
uuid command, svnlook
uuidgen command