X

X-CD-Roast tool, 778

X (string repetition) operator, in Perl, 647

X Window environment, 44

X Window server, on Windows PC, 536–537

X Window System, 440

Xandros Desktop Linux, 39

XAnim program, 777

Xargs command, 614–615

XDR, 446

XENIX, 12–13

Xfce (X Forms Common Environment), 193

XHTML (Extensible HTML), 795

Xine multimedia player, 776–777

xman utility, 838

Xmcd, 774–775

XML tags, removing with sed, 638–639

XMMS multimedia player, 774

XNU, 23

X/Open, 11

X/Open API, 16

X/Open consortium, 15–16

X/Open Spec 1170, 16

XPG3 (X/Open Portability Guide), 16

XPG4, 16

xterm window, running commands in, 105–106

xv interactive image display program, 771–772