What is best sector by sector tool to copy bootable SDcard with Ubuntu and extras onto USB pendrive. If by

Additional Context

https://blog.kubesimplify.com/the-complete-guide-to-the-dd-command-in-linux

Good question — the speed difference between SD cards and USB flash drives (pendrives) depends on several factors, but generally:

If your Dell Inspiron laptop’s one-time boot menu doesn’t show your USB pendrive or SD card, here are some steps

If you’re not seeing the “Install Ubuntu” option after booting from your SD card, here are a few things to

Instead of first saving the SD card image to your home directory, you can write it directly to the USB

Since you’ve booted from the SD card, that means the system is running on the same device you want to

This happens quite often.The GUI file manager is mounting the partition of the SD card, but the underlying block device might have

Good question — this is a classic use for dd on Linux.Here’s a safe, step-by-step method to clone a bootable SD