Crack frequently refers to: * Crack, a

fracture Fracture is the separation of an object or material into two or more pieces under the action of stress. The fracture of a solid usually occurs due to the development of certain displacement discontinuity surfaces within the solid. If a displa ...

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 in the ro ...

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 smoked. Crack offers a short, intense high to smokers. The ''Manual of Adolescent Substance Abuse Treatment'' calls ...

Crack may also refer to:

Art, entertainment, and media

* ''Cracks'' (film), a 2009 independent thriller *

Crack Movement The Crack Movement, or literature of the Crack generation ( es, la generación del "crack"), describes a literary movement in Mexico that began in the mid-1990s. It was initiated by a number of young Mexican authors who broke with literary conventio ...

, a Mexican literary movement *

Crack (band) Crack was a Spanish progressive rock group in the late 1970s. ''Si Todo Hiciera Crack'' was their only album released in 1979 by the record label A record label, or record company, is a brand or trademark of music recordings and music videos, ...

, a Spanish progressive rock group * ''Crack'' (album), an album by Z-RO * ''Cracks'' (album), an album by Nabiha * ''

The Crack ''The Crack'' is the debut album by English punk rock band The Ruts, released in 1979. The album contains the UK hit singles "Babylon's Burning" (number seven on the UK chart in June 1979) and "Something That I Said" (number 29 in September ...

'', first album by The Ruts * ''

Crack Magazine ''Crack'' is a monthly independent music and culture magazine distributed across Europe. Founded in Bristol in the UK in 2009, the magazine has featured Björk, MF Doom, Lil Yachty, FKA twigs, Gorillaz and Queens of the Stone Age on the cover. T ...

'', a UK-based European music and culture monthly * ''The Crack'' (magazine), a free culture magazine covering the North East of England

Slang

* Crack, slang for

intergluteal cleft The intergluteal cleft or just gluteal cleft, also known by a number of synonyms, including natal cleft, butt crack, and cluneal cleft, is the groove between the buttocks that runs from just below the sacrum to the perineum, so named because it f ...

Gaining entry

* Safe cracking, the process of opening a safe without the combination or the key

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 int ...

, 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 *

Password cracking In cryptanalysis and computer security, password cracking is the process of recovering passwords from data that has been stored in or transmitted by a computer system in scrambled form. A common approach (brute-force attack) is to repeatedly try ...

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

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

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

Other uses

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 o ...

, 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 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 sterilization. Originally based in California ...

' *

CRACK International Art Camp CRACK International Art Camp (CIAC) is a multi-disciplinary art camp arranged every year over several days in Smaran Matshya Beej Khamar, a fish seed farm in Rahimpur, Kushtia, Bangladesh Bangladesh (}, ), officially the People's Repu ...

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

Art, entertainment, and media

Slang

Gaining entry

Software

Other uses

See also