.-OBJECT=YES-.   
>>-+------------+----------------------------------------------><
   '-OBJECT=NO--'   

YES

instructs the assembler to place the generated object module in the file defined by the SYSLIN DD statement (z/OS), the FILEDEF SYSLIN command (CMS), or the DLBL IJSYSLN statement (z/VSE).

NO

instructs the assembler not to place the generated object module in the file defined by the SYSLIN DD statement (z/OS), the FILEDEF SYSLIN command (CMS), or the DLBL IJSYSLN statement (z/VSE).

Default

OBJECT=YES