What is "/dev/mapper/ubuntu--vg--root"?

partitioning disk encryption disk-management

Solution 1:

The /dev/mapper/ubuntu--vg-root in place of a traditional /dev/sdxN block device just indicates that you chose to install the system using LVM2 logical volume management. See What is LVM and what is it used for?

Related

"E: Unable to locate package update" when I try to update my system, why?
How to set up a system for UK medical practise
Message "Sparse file not allowed" after installing on a btrfs filesystem
Reading package list takes forever
How to remove items from Places sidebar in Nautilus 3.6? [duplicate]
How to Setup FTP to use in locally hosted wordpress
What is hashCode used for? Is it unique?
Storing R.drawable IDs in XML array
Subscript out of bounds - general definition and solution?
Can't compile a C program on a Mac after upgrading to Catalina 10.15
How do I show multiple recaptchas on a single page?
Set custom HTML5 required field validation message