Until the introduction of PC DOS in 1981, IBM had no influence in this because their 1970s operating systems used EBCDIC encoding instead of ASCII, and they were oriented toward punch-card input and line printer output on which the concept of "carriage return" was meaningless.
ʌntˈɪl ðɪ ˌɪntɹədˈʌkʃən ʌv pˌiːsˈiː dˌiːˌoʊˈɛs ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn, ˌaɪbˌiːˈɛm hæd nˈoʊ ˈɪnfluːəns ɪn ðɪs bɪkˈʌz ðɛɹ nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z ˈɑːpɚɹˌeɪɾɪŋ sˈɪstəmz jˈuːzd ˈɛbkdɪk ɛŋkˈoʊdɪŋ ɪnstˈɛd ʌv ˈæski, ænd ðeɪ wɜːɹ ˈoːɹiəntᵻd təwˈɔːɹd pˈʌntʃkˈɑːɹd ˈɪnpʊt ænd lˈaɪn pɹˈɪntɚɹ ˈaʊtpʊt ˌɔn wˌɪtʃ ðə kˈɑːnsɛpt ʌv "kˈæɹɪdʒ ɹᵻtˈɜːn" wʌz mˈiːnɪŋləs.