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Since the bootstrap recognizes command line arguments that begin with + and most other applications recognize command line arguments that begin with - , confusion about which options are provided to which programs can be avoided . Since the bootstrap recognizes command line arguments which begin with + and most other applications recognize command line arguments which being with - , confusion about what options are provided to what programs can be avoided . Simulations will be presented of some MIPS and IRAC expected results : maps , confusion limits , source counts and redshift distributions .