What technology company created the Group Control System operating system and is located in Armonk, New York?
Group Control System Group Control System (GCS) is an operating system made by IBM, meant to run as a guest of VM. GCS is an integral component of the discontinued VM/SP (since VM/SP 4), VM/XA SP, VM/ESA and current z/VM IBM System product offerings.
ACM SIGOPS ACM SIGOPS is the Association for Computing Machinery's Special Interest Group on Operating Systems, an international community of students, faculty, researchers, and practitioners associated with research and development related to operating systems. The organization sponsors prestigious international conferences related to computer systems, operating systems, computer architectures, distributed computing, and virtual environments. In addition, the organization offers multiple awards recognizing outstanding participants in the field, including the Dennis M. Ritchie Doctoral Dissertation Award, in honor of Dennis Ritchie, co-creator of the renowned C programming language and Unix operating system.