~/Desktop/arduino-1.8.11/hardware/tools/avr/bin/avrdude -C~/Desktop/arduino-1.8.11/hardware/tools/avr/etc/avrdude.conf -v -patmega328p -carduino -P/dev/ttyUSB0 -b115200 -D -Uflash:w:grbl_v1.1h.20190825.hex:i
[...]
avrdude: verifying ...
avrdude: 29920 bytes of flash verified
avrdude: safemode: lfuse reads as 0
avrdude: safemode: hfuse reads as 0
avrdude: safemode: efuse reads as 0
avrdude: safemode: Fuses OK (E:00, H:00, L:00)
avrdude done. Thank you.