This so-called flow control technique became adopted by several early computer operating systems as a "handshaking" signal warning a sender to stop transmission because of impending buffer overflow; it persists to this day in many systems as a manual output control technique.
ðɪs sˌoʊkˈɔːld flˈoʊ kəntɹˈoʊl tɛknˈiːk bɪkˌeɪm ɐdˈɑːptᵻd baɪ sˈɛvɹəl ˈɜːli kəmpjˈuːɾɚɹ ˈɑːpɚɹˌeɪɾɪŋ sˈɪstəmz æz ˈeɪ "hˈændʃeɪkɪŋ" sˈɪɡnəl wˈɔːɹnɪŋ ɐ sˈɛndɚ tə stˈɑːp tɹænsmˈɪʃən bɪkˈʌz ʌv ɪmpˈɛndɪŋ bˈʌfɚɹ ˌoʊvɚflˈoʊ; ɪt pɚsˈɪsts tə ðɪs dˈeɪ ɪn mˈɛni sˈɪstəmz æz ɐ mˈænjuːəl ˈaʊtpʊt kəntɹˈoʊl tɛknˈiːk.