Products: ABAQUS/Standard ABAQUS/Explicit
Execution procedure for ABAQUS: overview, Section 3.1.1
The abaqus free utility will convert fixed format input files used with previous versions of ABAQUS to free format.
job
This option is used to specify the name of the free format input file to be output by the utility.
input
This option is used to specify the name of the fixed format input file to be converted.