guyn@il-kblwe02>ls -1sh
total 153M
6.1M linking_optimization_results_small.xls
 47M linking_optimization.txt
100M linking_optimization.xls
guyn@il-kblwe02>file linking_optimization_results_small.xls
linking_optimization_results_small.xls: Microsoft Office Document
guyn@il-kblwe02>file linking_optimization.xls
linking_optimization.xls: Microsoft Office Document

##</code><code>##

guyn@il-kblwe02>wc -l linking_optimization.xls                                                                                                
304562 linking_optimization.xls
guyn@il-kblwe02>wc -l linking_optimization_results_small.xls 
299554 linking_optimization_results_small.xls