MUMmer is a system for rapidly aligning entire genomes, whether in complete or draft form. For example, MUMmer 3.0 can find all 20-basepair or longer exact matches between a pair of 5-megabase genomes in 13.7 seconds, using 78 MB of memory, on a 2.4 GHz Linux desktop computer. MUMmer can also align incomplete genomes; it can easily handle the 100s or 1000s of contigs from a shotgun sequencing project, and will align them to another set of contigs or a genome using the NUCmer program included with the system. If the species are too divergent for a DNA sequence alignment to detect similarity, then the PROmer program can generate alignments based upon the six-frame translations of both input sequences.
You should check the original paper where the human genome were aligned with mouse genome (http://genome.cshlp.org/content/13/1/103.long). Also, to be up to date, I would suggest you to use Lastz, which is the improved version of blastz. To use it, everything is explained here: http://www.bx.psu.edu/miller_lab/dist/README.lastz-1.02.00/README.lastz-1.02.00a.html
It's very easy to use, it takes as input fasta files.
while iam running mauve, the programme was stopped by showing massage "Excited with error 255".....can u pls expalain me how can i sort out the error...