dirbaio[m]: ```text
./target173linux/thumbv7em-none-eabihf/debug/hello
   text    data     bss     dec     hex filename
   6760      48    1036    7844    1ea4 ./target173linux/thumbv7em-none-eabihf/debug/hello
./target173mac/thumbv7em-none-eabihf/debug/hello
   text    data     bss     dec     hex filename
   6764      48    1036    7848    1ea8 ./target173mac/thumbv7em-none-eabihf/debug/hello
./target172mac/thumbv7em-none-eabihf/debug/hello
   text    data     bss     dec     hex filename
   6356      48    1036    7440    1d10 ./target172mac/thumbv7em-none-eabihf/debug/hello
./target172linux/thumbv7em-none-eabihf/debug/hello
   text    data     bss     dec     hex filename
   6352      48    1036    7436    1d0c ./target172linux/thumbv7em-none-eabihf/debug/hello

```