**To read a file**
  avrdude -v  -patmega328p -cusbasp -Pusb -e -U flash:r:flash.bin:r

**To write a file**
  avrdude -v  -patmega328p -cusbasp -Pusb -e -U flash:w:flash.hex:i

**Set Fuses for AT Tiny85**
  avrdude -v  -pattiny85 -cusbasp -Pusb -e -Uefuse:w:0xff:m -Uhfuse:w:0xdf:m -Ulfuse:w:0xe2:m  -B3

**Set Fuses for ATMega328p**
  avrdude -v -patmega328p -cusbasp -Pusb -e -Ulock:w:0x3F:m -Uefuse:w:0x05:m -Uhfuse:w:0xDE:m -Ulfuse:w:0xFF:m -B3

To disable reset pin on ATTINY85 set HFUSE TO 57….