[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] X clients X service X Window System attacks on compared to LDAP security and terminals, protecting local storage in tunneling with X/Open Consortium X0hosts file xargs command 2nd Xauthority facility, magic cookies .Xauthority file xclock xdm system XDR (external data representation) 2nd XENIX operating system Xerox Networks System (XNS) xferlog file xhost command xinetd Xinu operating system XNS (Xerox Networks System) xterm |