Filesystem root has 0 bytes disk space?

So, I entered each one again, with generic this time, and the screen shot shows what the result was. Red E's are shown after every entry a few lines down. I don't know if I should proceed and answer no to the continue prompt and go back to the grub BIOS screen to finish this process out, I'm not sure what finishing it would entail, or should I back out of it because there's a problem?

Wow.

Can you run each of these in recovery terminal:

sudo rm -rf /var/crash/*

sudo rm -rf /var/tmp/*

sudo rm -rf /var/log/*

sudo rm -rf /tmp/*

Then, if you see no errors, try

sudo apt remove --purge linux-image-5.15.0-100-generic

I tried the first command....sudo rm -rf/var/crash/* and got the message command not found. I couldn't tell if there was a space after rm and then after rf so I tried it both ways; sudo rm -rf/var/crash/* and sudo rm -rf /var/crash/*. Both had the same result.

It may be that you lack a crash directory.

What does that mean or what do I to do about it?

I did set up TimeShift and I was thinking that was similar to the recovery system in windows where you take the computer back to a time where everything was running fine. Is that true or an option?
Also, if you would rather I post this question again for others to chime in I will do that. I don't know what your work schedule is so I thought I would throw that out there. I hate to keep bothering you.

With Timeshift you need to be wary that a snapshot does not have a full system either. If you are able to get to a login screen, press Ctrl+ Alt+ F3. This should bring you up a terminal screen. First you need to login so enter your username, then password. Once logged in enter:

sudo timeshift --restore

This should provide you with various numbered options. But before you go ahead, I would use the installation media to run in live mode so you can backup any critical data you need. If you included your /home directory when setting up timeshift, restoring to an earlier time will wipe out any recent data.

After you have entered the restore command you should be given a number of options depending on how many snapshots you setup to be taken in a day. The obvious choice to go for is the earliest. You need to let it run its course and it will tell you if it has been successful.

I'm able to get to a terminal by going through the recovery mode of grub BIOS.

As far as your instructions go, I don't know what installation media means or how to backup any critical data. What would be critical data? I use my computer for the internet, the occasional document through libre and that's about it.

I do know I set up Timeshift for frequent pictures or snapshots. That's all I remember about that.

So as you can see you are leading the blind through a tunnel. I know some but not enough to keep me out of most trouble. I need to be steered through the tunnel.

It would mean only that no crashes have been documented - that it is missing is harmless.

Were the other commands successful?

On `Timeshift, @swarfendor437 has answered this quite well.

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I ran each of the other commands with a space between rm and -rf and without a space between rm and -rf and without the space the answer is command not found. With the space it says invalid option. Each of the commands had the same outcome.

/var/tmp/

/var/log/

/tmp all should exist.

This is very odd... Can you run

ls /

and relay the output here?

Here you are.

Well, /var is present and so is the rest of root. That is good
Can you

cd /var

then

ls

Okay. I tried to turn the picture around but I don't know how to do that in zorin os lite.

EDIT by Zabadabadoo to rotate screenshot.

This shows all those folders as present.
I am a bit confused.

There were 2 options to choose from in the grub BIOS, each with a different number. Should I choose the other number and try the commands? One was 138 recovery mode and the other 139 recovery mode. Should I choose the other recovery mode and try the commands?

That would not make a difference in your filesystem - those options are for which kernel you are booting up on.

What do I do to get my computer back do you think. Should I just keep checking this forum for an answer........?

If it was me... I would get my backups of personal files and essentials and reinstall, honestly.

We can keep trying. But the truth is, what we have done so far should have worked.

Is there anyplace here or tutorial you know of that would step me through this? I know how to load my personal files onto a drive but the reinstall can be really troublesome I've read. What are some of the essentials you can think of that I might need to get?

I have personal files to put on a drive but what else would be included. Like my bookmarks and things like that?