Linux in a Nutshell
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 |