EntityQ753576· pop 23· linked from 157 articlesCisco IOSSign in to saveOperating systemConnectionsCiscoEntityproprietary softwareEntityWebex by CiscoEntityJunosEntityCisco CatalystEntityEnglish languageConcepttechnologyEntityLinuxEntityoperating systemEntityInternational Standard Book NumberEntitycentral processing unitEntityStanford UniversityEntityiOSEntityHuaweiEntityrouterEntitysource codeEntityEthernetEntitychief executive officerEntityQ364EntityNational Security AgencyEntityCategoriesCisco softwareEmbedded operating systemsInternet Protocol based network softwareNetwork operating systemsRouters (computing)