.TH MTOC 1 "March 18, 2008" "Apple, Inc." .SH NAME mtoc \- convert a Mach-O file to a PECOFF file .SH SYNOPSIS .B mtoc [ \-subsystem type ] input output .SH DESCRIPTION .I mtoc converts the .I input EFI file built as a Mach-O file into an .I output PEFOFF file. .TP .BI \-subsystem " type" specifies the EFI subsystem .I type which can be .IR application , .I boot or .I runtime. The default is .IR application . .TP .BI "\-section_alignment" " value" Specifies the PECOFF section alignment. .I value is a hexadecimal number that must be an integral power of 2. The default is the Mac OS X target pagesize (1000 hex). This value should match the value used for .B "\-segalign" when linking the Mach-O file.