ðɪ ˈɜːlɪɪst vˈɜːʒənz wɜː kɹiːˈeɪɾᵻd ɪn tˈuː.nˈaɪn bˌiːˌɛsdˈiː æz ɐ kənvˈiːnɪəns fˈɔːɹm fɔːɹ , ðə bˈɜːkli jˈuːnɪks kəmˈændz wˈeɪ ʌv pɹˈɪntɪŋ dʒˈʌst ðə lˈɔɡd ɪn jˈuːzɚz aɪdˈɛntᵻɾi.
The earliest versions were created in 2.9 BSD as a convenience form for , the Berkeley Unix  command's way of printing just the logged in user's identity.