UNIX®, Linux, and macOS Installation Details AIX® Platform Notes I/O Pacing Parameters File System Mount Option Memory Management Parameters AIX® Tunable Parameters Red Hat Linux Platform Notes Shared Memory Limit Locked-in Memory Adjusting for Large Number of Concurrent Processes Dirty Page Cleanup Using Kerberos SUSE Linux Platform Notes I/O Scheduler Shared Memory Limits Locked-in Memory Using Kerberos Ubuntu Platform Notes Semaphore Deletion Setting Installing a Web Server Determining Owners and Groups Installing as a Nonroot User Why InterSystems IRIS Installation Uses Root Nonroot Installation Limitations Nonroot Installation Differences Unattended Installation Parameters Unattended Installation Packages Starting InterSystems IRIS Adjustments for Large Number of Concurrent Processes on macOS Installing a Development Environment Adding UNIX® Installation Packages to an InterSystems IRIS Distribution UNIX® Installation Package Tutorial Contents of the parameters.isc File