Explanation	Description
cp <path>	Location of the Xwalk "bin" folder from the Xwalk installation directory.
infile <path>	Your input PDB file.
out <path>	Xwalk writes the output to this file.
dist <path>	File which will be used to extract the indices and the residue pairs for the distance calculation (from Step 7).
max <double>	Calculates distances in Angstrom, only up-to this value
bb [switch]	Reads in only backbone and beta carbon atom coordinates from the input file and increases the solvent radius for calculating the solvent accessible surface area to 2.
f [switch]	Forces output to be written into a file, overwriting existing files.