T 
    TAR (Tape Archive) files 
  downloads, 414 
  packages, 313, 314 
      tar archive 
  compressed, 504 
  creating, 502, 503 
  excluding files, 504 
  including files, 504 
  restoring from, 503, 504 
      task management, 238 
  job control, 239, 240 
  processes, 238, 239 
  scheduling 
  processes, 240, 241 
      TCO (total cost of ownership), networking, 339 
     TCP (Transmission Control Protocol, 452 
     TCP (Transmission Control Protocol), 452 
     TCP/IP connections 
  protocols, 452 
     tcpdump utility 
  IP traffic and, 448 
      terminal emulation, 46, 47, 48, 49, 50 
     terminal emulator 
  filesystem navigation, 56 
     testing 
  Apache Web server, 349 
      searches, 187, 188, 189 
  stream editor, 188 
      text files, 172 
  carriage return-line feed pair, 172 
     text mode installation, 6 
     themes, desktop 
  Bluecurve, 75 
     time attributes, files, 179, 180, 181 
      toolbars 
  desktop configuration, 76 
  Evolution, 146 
  OpenOffice suite, 127 
     top-level directories, 53 
     topology, networking 
  dotted quad notation, 340 
       traffic, IPs 
  network security and, 448, 449, 450, 452 
     Tripwire integrity checker, 434, 435, 436, 437, 438 
  configuration, 434, 435, 436, 437, 438 
  database update, 439 
  downloading, 434, 435, 436, 437, 438 
  running, 434, 435, 436, 437, 438 
  running automatically, 438 
      trust relationships 
  public keys, 426, 427, 428 
      tunneling 
  VPNs, 457, 458 
  L2TP, 458 
  PPTP, 458 
       types of files, 170, 171, 172