... You are here: start €Ё difx €Ё difx_run . ... difx:difx_run . Running DiFX . Setting up MPI and mpifxcorr . ... These setup files can be found at the top level of your installation. ... In that case, and assuming you're running bash, the file you want is master_tags/DiFX-2.2/setup.bash. ... However, its probably better to follow the normal path for setting up a correlation right from the start, where you just use the vex file to generate all the mpifxcorr configuration files. ...