ranjith kumar <ranjit_kumar_b4u@xxxxxxxxxxx> writes: > Is it possible to write an assembly program(by me) and > compile it to produce executable file(a.out)??? Well, sure, if you know how to write the assembler. Just create FILE.s, and run "gcc -o EXE FILE.s". The gcc driver will invoke the assembler to create a .o file, and then run the linker as usual. Ian