Xerox Operating System

operating system for the XDS Sigma series of mainframe computers

en-GB/ˈzɪəɹɒks ˈɒpəɹeɪtɪŋ ˈsɪstəm/
en-US/ˈzɪɹɑks ˈɑpɚˌeɪtɪŋ ˈsɪstəm/

ক্যাটাগরি:

operating system