DNIX Dataindustrier AB ABC 1600 Daisy Systems Handler List of Unix systems ABC 80 Mimer SQL Cromemco Asynchronous I/O Timeline of operating systems List of operating systems Comparison of real-time operating systems
DNIX Dataindustrier AB ABC 1600 Daisy Systems Handler List of Unix systems ABC 80 Mimer SQL Cromemco Asynchronous I/O Timeline of operating systems List of operating systems Comparison of real-time operating systems