sed is a Unix utility for processing text.
Sed or SED may also refer to:
Biology and medicine Erythrocyte sedimentation rate (sed rate), a haematology test Sedirea (Sed.), a genus of orchids Selective eating disorder or avoidant/restrictive food intake disorder Spondyloepiphyseal dysplasia congenita, an inherited genetic bone disorder
Science and technology DEC SED ("screen editor"), a text editor for some DEC operating systems sed, "stream editor", a simple command-line text editor in unix-like system Self-encrypting device, an encrypting hard drive Spectral energy distribution, of an astronomical source Stochastic electrodynamics, in quantum mechanics Surface-conduction electron-emitter display, a flat-panel display technology
Organisations and businesses Scottish Education Department SED Systems, a Canadian satellite communications provider Socialist Unity Party of Germany (), East German communist party Swiss Seismological Service () Tata Power SED, Tata Power Strategic Electronics Division
Other uses Saturn Electrostatic Discharges (SEDs) Survey of English Dialects Strategic Economic Dialogue Sed card, a "portfolio-on-a-card" used by models and actors Sed festival, in Ancient Egypt Shippers Export Declaration, a US form St. Elizabeth's, Dundonald, religious site in Dundonald Wepwawet, Egyptian god also called Sed
See also
Students for the Exploration and Development of Space (SEDS)