Due to the GUI-oriented nature of classic Mac OS applications, Executor has its own GUI environment known as Browser.
dˈuː tə ðə ɡˈuːiˈoːɹiəntᵻd nˈeɪtʃɚɹ ʌv klˈæsɪk mˈæk ˌoʊˈɛs ˌæplɪkˈeɪʃənz, ɛɡzˈɛkjuːɾɚ hɐz ɪts ˈoʊn ɡˈuːi ɛnvˈaɪɹənmənt nˈoʊn æz bɹˈaʊzɚ.