P.S. commonly refers to: Postscript, writing added after the main body of a letter PS, P.S., ps, and other variants may also refer to: Arts and entertainment Music PS Classics, a record label P.S. (album), a compilation album of film music by Goran Bregovic P.S. (A Toad Retrospective), a compilation album of music by Toad The Wet Sprocket "PS", 2003 song by The Books from the album The Lemon of Pink "P.S.", 1993 song by James from the album Laid Other media PlayStation, a video gaming brand owned by Sony PlayStation (console), a home video game console by Sony P.S. (film), a 2004 film P.S., a 2010 film by Yalkin Tuychiev PS Publishing, based in the UK Prompt corner or prompt side, an area of a stage Language Pashto language (ISO 639 alpha-2 language code "ps") Proto Semitic, a hypothetical proto-language ancestral to historical Semitic languages of the Middle East The sound of the Greek letter psi (Greek) (ψ). Places Palau (FIPS PUB 10-4 territory code PS) State of Palestine (ISO 3166 country code PS) Politics PS – Political Science & Politics, academic journal Parti Socialiste (disambiguation), French Partido Socialista (disambiguation), Spanish and Portuguese Partito Socialista (disambiguation), Italian Polizia di Stato, Italian national police force Positive Slovenia Pradeshiya Sabha, a unit of local government in Sri Lanka Progressive Slovakia Social Democratic Party (Andorra) Partit Socialdemòcrata Socialist Party of Albania Partia Socialiste Socialist Party of Chile Partido Socialista de Chile Socialist Party of Romania Partidul Socialist [din România] Finns Party Perussuomalaiset Movement of Socialists (Pokret Socijalista), a political party in Serbia Religion Pastors, ministers in some Christian churches Psalms, a book in the Tanakh and Christian Bibles Science and technology Units of measurement Petasecond (Ps), 1015 seconds Picosecond (ps), 10−12 seconds Pferdestärke (PS), abbreviation of the German term for metric horsepower Picosiemens (pS), SI unit of electric conductance Computing Adobe Photoshop, a graphics editor and creator by Adobe MPEG program stream, an MPEG-2 container format Parametric Stereo, feature used in digital audio PostScript, a page description language .ps, filename extension for a file in PostScript format ps (Unix), an application that displays statistics on running processes .ps, the State of Palestine Internet domain extension or top-level domain (ccTLD) PS Power and Sample Size, an interactive computer program for power and sample size calculations Windows PowerShell, a command line scripting and system management shell for Microsoft Windows Medicine Panayiotopoulos syndrome, a childhood