Help ---- Each command contains a --help option:: >>> geoc vector buffer --help geoc vector buffer: Buffer the features of the input Layer and save them to the output Layer --help : Print the help message -c (--capstyle) VAL : The cap style -d (--distance) VAL : The buffer distance -i (--input-workspace) VAL : The input workspace -l (--input-layer) VAL : The input layer -o (--output-workspace) VAL : The output workspace -q (--quadrantsegments) N : The number of quadrant segments -r (--output-layer) VAL : The output layer -s (--singlesided) : Whether buffer should be single sided or not There is also a man page for each subcommand:: >>> man geoc-vector-buffer geoc-vector-buffer(1) geoc-vector-buffer(1) NAME geoc vector buffer DESCRIPTION Buffer the features of the input Layer and save them to the output Layer USAGE geoc vector randompoints -n 10 -g "1,1,10,10" | geoc vector buffer -d 10 OPTIONS -d --distance: The buffer distance -q --quadrantsegments: The number of quadrant segments -s --singlesided: Whether buffer should be single sided or not -c --capstyle: The cap style -o --output-workspace: The output workspace Finally, there is a bash completion script which makes using geoc with bash much easier. Install it is your .bash_profile:: source /Users/You/geoc/shell/geoc_bash_comp