Cos, COS, CoS, coS or Cos. may refer to:

Mathematics, science and technology

* Carbonyl sulfide * Class of service (CoS or COS), a network header field defined by the

IEEE 802.1p IEEE P802.1p was a task group active from 1995 to 1998, responsible for adding traffic class expediting and dynamic multicast filtering to the IEEE 802.1D standard. The task group developed a mechanism for implementing quality of service (QoS) at ...

task group * Class of service (COS), a parameter in telephone systems * Cobalt sulfide * COS cells, cell lines COS-1 and COS-7 * Cosine, a trigonometric function * Cosmic Origins Spectrograph, a Hubble Space Telescope instrument

Operating systems

COS (operating system) COS (China Operating System) is a Linux kernel-based mobile operating system developed in China mainly targeting mobile devices, tablets and set-top boxes. It is being developed by the Institute of Software at the Chinese Academy of Sciences ...

, a Chinese mobile OS * Cray Operating System * Chippewa Operating System, from Control Data Corporation * Commercial Operating System, from Digital Equipment Corporation *

GEC COS OS4000 is a proprietary operating system introduced by GEC Computers Limited in 1977 as the successor to GEC DOS, for its range of GEC 4000 series 16-bit, and later 32-bit, minicomputers. OS4000 was developed through to late 1990s, and has been ...

Places

Cos, Ariège Cos is a commune in the Ariège department in southwestern France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Amer ...

, France * Cos or Kos, a Greek island * COS, IATA code for Colorado Springs Airport, Colorado, US **

Colorado Springs, Colorado Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since ...

, a US city, derived from its airport's code *

Gulf of Cos A gulf is a large inlet from the ocean into the landmass, typically with a narrower opening than a bay, but that is not observable in all geographic areas so named. The term gulf was traditionally used for large highly-indented navigable bodies ...

, Aegean Sea *

Villa de Cos Villa de Cos is one of 58 municipalities of Zacatecas, Mexico. It is located in the center-east of the state, bordered by the municipalities of Mazapil, Francisco R. Murguia, Río Grande, Felipe Pescador, Fresnillo, Panuco and Guadalupe in Za ...

, Zacatecas, Mexico * Cosio Valtellino (Cös), Lombardy, Italy * COS, UNDP country code of

Costa Rica Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...

Organizations, societies and churches

* Charity Organization Society *

Children's Orchestra Society The Children's Orchestra Society (COS) is a non-profit organization in New York City founded by Dr. Hiao Tsiun Ma for musically talented children and teens.Church of Satan, a religious organization * Church of Scotland * Commandement des Opérations Spéciales, coordinating French special forces *

Community of Science Community of Science was a collection of online databases, providing research information to both the public and subscribers, and services for the research community. It is owned by ProQuest. History Community of Science was founded in 1988 by ...

, an online database * Company of Servers, Anglican altar servers * Cooper Ornithological Society, California, US

Universities and schools

* College of the Sequoias, California, US *

College of the Siskiyous College of the Siskiyous (COS) is a public community college with campuses in Weed and Yreka in Siskiyou County in Northern California. It is part of the California Community Colleges System, serving as the northernmost college in the state of ...

, California, US

Other uses

Childhood onset schizophrenia Childhood schizophrenia (also known as childhood-onset schizophrenia, and very early-onset schizophrenia) is similar in characteristics of schizophrenia that develops at a later age, but has an onset before the age of 13 years, and is more diffic ...

* Roman consul, a political office in Ancient Rome * COS (clothing), a British fashion brand *

Cos lettuce Romaine or cos lettuce (''Lactuca sativa'' L. var. ''longifolia'') is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat. In North America, ...