Yeah I am from an Aryan country but your time zone is a bit familiar for me :). And yes I don't have a seperate partition for /home. Maybe I wanted to use the home partition (I mistakenly called root partition previously) from the previous ubuntu installation. But it has not worked like that...
sda6 is a windows partition and sda11 is a root partition that I used with ubuntu 16 before upgrading to 18.04. So after unmounting those, I get the following for df -h. In this image, root has some space left as I took this just after a reboot.
Thank you all for the replies. I found some files using 'find' command. But the strange thing is, I get two remaining space values from disk usage analyzer and 'df -h'. I have attached the disk analyzer's output and kernel 'ls /boot' output.
I really appreciate if you could help me with the issue I faced similar to this. Recently, I cut pasted around 5GB files from anaconda /pkgs folder in root partition to another partition (this is a partition I am using in windows and I wanted to backup those anaconda packages). But...
I really appreciate if you could help me with a similar kind of issue I faced. Recently, I cut pasted around 5GB data from root partition to another partition (partition I am using in windows). But moving did not free up space in root. For df -h command I get the following.