Com or COM may refer to:

Computing

COM (hardware interface) COM (communication port) is the original, yet still common, name of the serial port interface on IBM PC compatible, PC-compatible computers. It can refer not only to physical ports, but also to Hardware emulation, emulated ports, such as ports ...

, a serial port interface on IBM PC-compatible computers *

COM file A COM file is a type of simple executable file. On the Digital Equipment Corporation (DEC) VAX operating systems of the 1970s, .COM was used as a filename extension for text files containing commands to be issued to the operating system ...

, or .com file, short for "command", a file extension for an executable file in MS-DOS *

.com The domain name .com is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet. Added at the beginning of 1985, its name is derived from the word ''commercial'', indicating its original intended purpose for domains registere ...

, an Internet top-level domain, originally short for "commercial" * Component Object Model, a Microsoft software interface technology *

Computer-on-module A computer-on-module (COM) is a type of single-board computer (SBC), a subtype of an embedded computer system. An extension of the concept of system on chip (SoC) and system in package (SiP), COM lies between a full-up computer and a microcont ...

, a type of single-board computer

Transport

* Comair (USA), an airline which was a wholly owned subsidiary of Delta Air Lines by ICAO airline designator *

Commonwealth MRT station Commonwealth MRT station is an above-ground Mass Rapid Transit (MRT) station on the East West line in Queenstown, Singapore located at Commonwealth Avenue near the junction of Commonwealth Drive. The station serves the residential neighbourho ...

, a Mass Rapid Transit station in Singapore by MRT station abbreviation

Other

* ''COM'' (manga magazine) * Cốm, green rice dish in Vietnam *

Common rail (electricity) In electrical engineering, a common rail (shortened to COM) is a shared path between different electrical routes in an electrical circuit. For example, a device or circuit board might have a power rail or a ground rail, which components are att ...

, a common path of currents in an electronic circuit, often for the ground *

Center of mass In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may ...

Center-of-momentum frame In physics, the center-of-momentum frame (also zero-momentum frame or COM frame) of a system is the unique (up to velocity but not origin) inertial frame in which the total momentum of the system vanishes. The ''center of momentum'' of a system is ...

Coma Berenices (constellation) Coma Berenices is an ancient asterism in the northern sky, which has been defined as one of the 88 modern constellations. It is in the direction of the fourth galactic quadrant, between Leo and Boötes, and it is visible in both hemisphere ...

, standard astronomical abbreviation *

Comoros The Comoros,, ' officially the Union of the Comoros,; ar, الاتحاد القمري ' is an independent country made up of three islands in southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. It ...

, ISO 3166-1 alpha-3 country code *

College of the Mainland College of the Mainland (COM) is a public community college in Texas City, Texas. Its name comes from its location on the "mainland" portion of Galveston County, Texas (the portion north of Galveston Island). The school's sport teams are named t ...

, a community college in Texas City, Texas * ''

Collectivité d'outre-mer The French overseas collectivities ('' collectivité d'outre-mer'' or ''COM'') are first-order administrative divisions of France, like the French regions, but have a semi-autonomous status. The COMs include some former French overseas colon ...

'', a French overseas collectivity, or first-order administrative division *

Concerned Officers Movement The Concerned Officers Movement (COM) was an organization of mainly junior officers formed within the U.S. military in the early 1970s whose principal purpose was opposition to the U.S. involvement in the Vietnam War. Very quickly, however, it al ...

, anti-war organization * Commander of the

Order of Merit of the Police Forces The Order of Merit of the Police Forces (french: Ordre du mérite des corps policiers) is an honour for merit that is, within the Canadian system of honours, the only such fellowship reserved for only members of Canada's various police forces. C ...

, Canadian decoration post-nominal letters * Either of two figures named Com in the Book of Mormon: an early Jaredite king, son of Coriantum; and a late Jaredite king *

Como Como (, ; lmo, Còmm, label= Comasco , or ; lat, Novum Comum; rm, Com; french: Côme) is a city and '' comune'' in Lombardy, Italy. It is the administrative capital of the Province of Como. Its proximity to Lake Como and to the Alps ...

, a city and comune in Lombardy, Italy, in Romansh language

Computing

Transport

Other

See also