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Using a Corsair Force 3 120gb SSD, with 13.04 (no other OS's installed)

df -h ~ reports that I have 94gb available (wut?), and 82gb used (wrong).
GParted says i'm only using a few hundred megabytes (way off)
Disk Usage Analyser says i'm using about 56gb, but also thinks i'm almost full up (wtf)

From searching, I found someone suggest that the trash isn't being emptied properly (i think that was what they said), and that I should do something called "vaccuming" to the drive. No idea how, or what it is, or even if it is actually relevant.

Any input is welcome. I am still very new to ubuntu so this might be some n00b mistake on my part.

df -h ~
/dev/mapper/ubuntu--vg-root 94G 82G 8.2G 91% /

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Please post the results of df -h, mount and sudo fdisk -l. – January Jul 19 '13 at 7:11
And check hidden files in your home directory. I recently had problem with xsession log which took about 30 GiBs (there were Wine errors). – Danatela Jul 19 '13 at 7:33
When asking questions, you need to be as detailed as you can. Don't just say "df reports blah" actually paste the output into your question. – psusi Jul 19 '13 at 14:06
Using Disk Space Analyzer, you should be able to see exactly where the space is used. If you provide that kind of details, it'll be much easier to help you. – Jo-Erlend Schinstad Jul 21 '13 at 5:36
disk usage analyser says i'm only using 44.6gb total on my SSD but everything still thinks there's no space – plaguedoctor Jul 21 '13 at 10:43
up vote 0 down vote accepted

Found the solution.

I ran gksudo baobab and found that root/share/trash had 50gb of data.

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