PS1, Ps 1, PS-1, PS/1 or PS One may refer to:

Arts and entertainment

* '' Ponniyin Selvan: I'', an Indian Tamil language period action drama film

Technology

* "$PS1", "Prompt String 1" the environment variable in a command-line interface which specifies the command prompt *

IBM PS/1 The IBM PS/1 is a brand for a line of personal computers that marked IBM's return to the home market in 1990, five years after the IBM PCjr. It was replaced by the IBM Aptiva in September 1994. Position among IBM's PC brands The PS/1 line wa ...

, IBM Personal System/1 series of home computers * Pan-STARRS' first telescope, called PS1 *

PostScript PostScript (PS) is a page description language in the electronic publishing and desktop publishing realm. It is a dynamically typed, concatenative programming language. It was created at Adobe Systems by John Warnock, Charles Geschke, Doug Br ...

Type 1 Font *

Prosteyshiy Sputnik 1 Sputnik 1 (; see § Etymology) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for t ...

, the first artificial Earth satellite *

.ps1 PowerShell is a task automation and configuration management program from Microsoft, consisting of a command-line shell and the associated scripting language. Initially a Windows component only, known as Windows PowerShell, it was made open-sourc ...

, the extension of a Microsoft PowerShell script file

Video gaming

* PlayStation (console), video game console released by Sony in 1994 **

PS One (console) A number of models of Sony's PlayStation (PS) video game console were produced. Revisions of standard PlayStation hardware The PlayStation went through a number of variants during its production run, each accompanied by a change in the part ...

, a miniature version of the original PlayStation released in 2000 * ''Phantasy Star'' (video game), the first in the ''Phantasy Star'' series * ''

PlanetSide ''PlanetSide'' was a massively-multiplayer online first-person-shooter video game published by Sony Online Entertainment and released on May 20, 2003. ''PlanetSide'' chronicles the efforts of three factions as they fight for territorial contro ...

'', a MMOFPS video game published by Sony Online Entertainment

Other uses

* Photosystem I, the second photosystem in the photosynthetic light reactions of plants * MoMA PS1 (derived from "Public School One"), American contemporary art institution * The name and designation for several public schools in the New York City Department of Education; see List of public elementary schools in New York City * Psalm 1 from the Judeo-Christian Book of Psalms * The boxcar in the PS line of post-war standardized freight cars from

Pullman-Standard The Pullman Company, founded by George Pullman, was a manufacturer of railroad cars in the mid-to-late 19th century through the first half of the 20th century, during the boom of railroads in the United States. Through rapid late-19th century ...

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