You're looking for information on TWRP (Team Win Recovery Project) related to the Samsung Galaxy Note N7000.
Here's some sample code to give you an idea: n7000 twrp
TWRP Image: Look for .tar files for Odin or .img files for manual flashing. You're looking for information on TWRP (Team Win
Nandroid Backups: Create a full snapshot of your system, including all data and apps, to an external SD card. Note: Samsung devices typically use Odin, so this
Flash IsoRec Recovery: Download the N7000-specific TWRP IsoRec .zip and flash it through your existing custom recovery.
If your device is already rooted, you can skip the PC entirely.
If you flash a stock ROM, it will likely overwrite your custom kernel and take the custom recovery with it.