These parameters define the names of the input files. The syntax of the line in suntans.dat is given by
filespecifier fileprefix # Description of parameterGlobal files do not contain the processor suffix, while per-processor files contain the processor number as the suffix. For example, in a four-processor run, there will be four i/o files relating to this specifier, i.e. fileprefix.0, fileprefix.1, fileprefix.2, and fileprefix.3. The file called fileprefix (with no suffix) contains information for all processors.