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Crack frequently refers to:

Crack may also refer to:

Art, entertainment, and media[edit]


  • Crack, or (craic, Irish), Scottish, Northern English and Irish slang for 'fun', 'joke', 'gossip', or 'mood'.
  • Crack, slang for Intergluteal cleft


  • Crack (password software), a UNIX/Linux password hacking program for systems administrators
  • Software cracking, a computer program that modifies other software to remove or disable features usually related to digital rights management
  • No-disc crack, software to circumvent Compact Disc and DVD copy protection

Other uses[edit]

  • Cracking (chemistry), the process whereby complex organic molecules are broken down into simpler molecules
  • Crack spread, the value difference between crude oil and oil products or between different oil products, usually expressed as a per-barrel value
  • CRACK, an acronym for 'Children Requiring A Caring Kommunity', now called 'Project Prevention'
  • CRACK International Art Camp
  • Password cracking, the process of recovering passwords from data stored in or transmitted by a computer system
  • Safe cracking, the process of opening a safe without the combination or the key
  • Security hacker, cracking a system to gain unauthorized access (sometimes mislabeled as "hacking").

See also[edit]