Crack frequently refers to: * Crack, a

fracture Fracture is the appearance of a crack or complete separation of an object or material into two or more pieces under the action of stress (mechanics), stress. The fracture of a solid usually occurs due to the development of certain displacemen ...

in a body * Crack, a

fracture (geology) A fracture is any separation in a geologic formation, such as a Joint (geology), ''joint'' or a Fault (geology), ''fault'' that divides the Rock (geology), rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice i ...

in a rock * Crack, short for

crack cocaine Crack cocaine, commonly known simply as crack, and also known as rock, is a free base form of the stimulant cocaine that can be Smoking, smoked. Crack offers a short, intense Euphoria (emotion), high to smokers. The ''Manual of Adolescent Sub ...

Crack(s) or The Crack may also refer to:

Arts, entertainment, and media

* '' The Crack'', first album by The Ruts * ''Crack'' (album), an album by Z-RO * Crack (band), a Spanish progressive rock group * ''The Crack'' (magazine), a free culture magazine covering the North East of England * ''Crack'' (magazine), a UK-based European music and culture monthly * Crack Movement, a Mexican literary movement * ''Cracks'' (album), an album by Nabiha * ''Cracks'' (film), a 2009 independent thriller

Software

Crack (password software) Crack is a Unix password cracking program designed to allow system administrators to locate users who may have weak passwords vulnerable to a dictionary attack. Crack was the first standalone password cracker for Unix systems and the first to in ...

, a UNIX/Linux password hacking program for systems administrators *

Software cracking Software cracking (known as "breaking" mostly in the 1980s) is an act of removing copy protection from a software. Copy protection can be removed by applying a specific ''crack''. A ''crack'' can mean any tool that enables breaking software p ...

, 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 *

Password cracking In cryptanalysis and computer security, password cracking is the process of guessing passwords protecting a computer system. A common approach (brute-force attack) is to repeatedly try guesses for the password and to check them against an availab ...

, the process of recovering passwords from data stored in or transmitted by a computer system *

Security hacker A security hacker or security researcher is someone who explores methods for breaching or bypassing defenses and exploiting weaknesses in a computer system or network. Hackers may be motivated by a multitude of reasons, such as profit, pro ...

, cracking a system to gain unauthorized access (sometimes mislabeled as "hacking")

Other uses

* ''CRACK'', an acronym for 'Children Requiring A Caring Kommunity', now called

Project Prevention Project Prevention (formerly Children Requiring a Caring Kommunity or CRACK) is an American non-profit organization that pays drug addicts cash for volunteering for long-term birth control, including Human sterilization (surgical procedure), ster ...

CRACK International Art Camp CRACK International Art Camp (CIAC) is a multi-disciplinary Artist-in-residence, art camp arranged every year over several days in Smaran Matshya Beej Khamar, a Fish hatchery, fish seed farm in Rahimpur, Kushtia, Bangladesh.Nahad-Ul-Quasem OrchidE ...

Crack spread Crack spread is a term used on the oil industry and futures trading for the differential between the price of crude oil and petroleum products extracted from it. The spread approximates the profit margin that an oil refinery can expect to make b ...

, the value difference between crude oil and oil products or between different oil products, usually expressed as a per-barrel value *

Cracking (chemistry) In petrochemistry, petroleum geology and organic chemistry, cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking ...

, the process whereby complex organic molecules are broken down into simpler molecules *

Craic ''Craic'' ( ) or ''crack'' is a term for news, gossip, fun, entertainment, and enjoyable conversation, particularly prominent in Ireland. It is often used with the Article (grammar), definite article – ''the'' craic – as in the expressi ...

, or crack, an Irish term for discourse, news, etc. *

Safe cracking Safe-cracking is the process of opening a safe without either the combination or the key. Physical methods Safes have widely different designs, construction methods, and locking mechanisms. A safe cracker needs to know the specifics of whichever ...

, the process of opening a safe without the combination or the key

Arts, entertainment, and media

Software

Other uses

See also