Following these guidelines for using Linux will help you to avoid problems with DeltaVision.
If the screensaver is on, turn it off. Screensaver activity can interfere with the normal function of the system, particularly during long periods of data collection.
Mac and Windows OS file name conventions allow spaces or other characters that aren't "safe" or sanctioned by Linux. To avoid problems, follow guidelines for Linux file and directory names.
You can monitor memory buffering. Linux "caching" of memory to the hard drive is more aggressive than IRIX. If you’re used to SGI computers, there are certain differences in this behavior that you should be aware of. In particular, Linux may pause or slow down more frequently, depending on the degree of disk caching.
To escape from a system lockup, try simultaneously pressing the Ctrl-Alt-Backspace keys, which should take you back to the System Log-In Screen.