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Sometimes it can be helpful to check the residuals from a simulation running batch mode to make sure the progress of the solution is satisfactory. The procedure for doing this depends on which operating system you are using. In linux/unix: To run ANSYS Fluent in the background in a C-shell (csh) on a Linux/UNIX system, type a command of the following form at the system-level prompt: fluent 2d -g < inputfile > & outputfile & or in a Bourne/Korn-shell, type: fluent 2d -g < inputfile > outputfile 2>&1 & where inputfile is a Fluent journal file containing the commands to be executed during the Fluent run and output file is a text file into which the output will be directed that you would normally see in the Fluent console during an interactive run. For windows and linux: You can also start a transcript file but you need to define execute commands to execute: (cx-flush-transcript) every 1 or so iterations.