(SYStem REQuest key) A key on a terminal keyboard that is used to get the attention of the central computer. The key exists on PC keyboards, but is rarely used by applications.
"SysReq key." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/sysreq-key>.
SysReq key. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/sysreq-key