Miscellaneous

Firefox tips: Disable javascript in embedded pdf on Firefox   1)  Under Firefox (tested on Firefox version 88) :-  about:config   2)  Set:-  pdfjs.enableScripting > false

Linux tips: Display Grub menu at boot   // Works on Linux Mint 20.1 Step 1:  Edit /etc/default/grub   Step 2:  // Comment out the following # GRUB_TIMEOUT_STYLE="hidden" Step 3: # update-grub Step 4: Reboot // Additional: To check out further instructions on grub use: # info -f grub