Mobile What do F8 and F9 do? By DIY Posted on November 7, 2022 The F9 function key retrieves the last command(s) entered on the command line, in the reverse order that they were entered. Now, you can use the F8 function key to retrieve commands in the opposite direction. Related Topics: Most Popular How To How to Record Video on Windows 10 Linux How to Fix: WiFi Connected But No Internet Access Android How To Remove A Virus From An Android Phone How To How to Clean Hacked WordPress site Windows Epson Error Code 0x97 Windows How to run Canon LaserBase MF3110 on Win10 64bit