OPT or Opt may refer for:
Computing
* /opt, a directory in the
Filesystem Hierarchy Standard
The Filesystem Hierarchy Standard (FHS) is a reference describing the conventions used for the layout of a UNIX system. It has been made popular by its use in Linux distributions, but it is used by other UNIX variants as well. It is maintained b ...
*
Option key, a modifier key on Apple keyboards
* Optimal page replacement algorithm, a
page replacement algorithms for swapping out pages from memory
Other uses
* Occupied
Palestinian territories, another name for the Palestinian territories of the West Bank and Gaza Strip
*
Ocean Power Technologies
Ocean Power Technologies (OPT) is a U.S. publicly owned renewable energy company, providing electric power and communications solutions, services and related for remote offshore applications. The company's PowerBuoy wave energy conversion technolo ...
, a US owned renewable energy company
*
Office national des postes (disambiguation)
*
Operation Prime Time, a consortium of TV Stations to provide alternative prime time programming
*
Optical projection tomography
Optical projection tomography is a form of tomography involving optical microscopy. The OPT technique is sometimes referred to as Optical Computed Tomography (optical-CT) and Optical Emission Computed Tomography (optical-ECT) in the literature, to ...
, a form of tomographic tissue imaging used in biomedical research
*
Optional Practical Training
Optional Practical Training (OPT) is a period during which undergraduate and graduate students with F-1 status who have completed or have been pursuing their degrees for one academic year are permitted by the United States Citizenship and Immigrat ...
, a period during which university students with an F-1 are permitted by the United States Citizenship and Immigration Services (USCIS) to work for one year on a student visa without needing an H-1B
* Optimized Production Technology, a production planning system created by
Eliyahu M. Goldratt
Eliyahu Moshe Goldratt (March 31, 1947 – June 11, 2011) was an Israeli business management guru. He was the originator of the Optimized Production Technique, the Theory of Constraints (TOC), the Thinking Processes, Drum-Buffer-Rope, Critical ...
* Outdoor Payment Terminal, a name sometimes used for the self-service user interface hardware at
fuel stations
*
Oral pressure therapy
Oral pressure therapy (OPT) is a treatment for obstructive sleep apnea (OSA) that uses negative pressure in the mouth to shift the soft palate and tongue forward. The negative pressure is created by a bedside console connected by a small tube to ...
, a treatment for obstructive sleep apnea
*
Overseas Passenger Terminal, Sydney
* Obshchestvennoye Rossiyskoye Televideniye (russian: Общественное Российское Телевидение, ОРТ in Cyrillic script), the former name of
Channel One Russia, a public broadcaster in Russia
*
Oxford Placement Test
See also
*
Opt-out, to avoid receiving unsolicited product or service information
*
Opting out
Opting out is a political expression that was formulated in Canada to describe the intention of a province to remove itself from a program administered by the federal government, or to exempt itself from a constitutional amendment that woul ...
, a political expression in Canada, describing the intention of a province to remove itself from a program administered by the federal government
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Opt in email, the option to receive bulk e-mail
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ORT (disambiguation), an acronym in Russian and Greek which appears like OPT
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