Michael,

When you run ls -l, you are seeing the size of the folders and files in that directory. In your example you are looking at the root directory. Each directory takes 4096 bytes. This is the size of the directory entry, not the contents of the directory. To see the size of all the files inside the folder, you will have to type ls /bin, for example. See the man page for ls.

To find the size of a particular directory such as /bin (ie all the files and directories in /bin including the 4096 bytes for the directory /bin), try du -hs /bin. The -h option prints the size in human readable form (ie KB, MB, GB, etc) and the -s option summarizes the results. Without the -s, you will see the size of each top level directory inside of /bin.

Check the man pages for df and du.

df is showing you that your drive is 96% full.

IMO you need to quickly make some space on this drive or you may have some issues.

Mark

On Fri, Sep 25, 2015 at 3:11 PM, Michael Havens <bmike1@gmail.com> wrote:
my system warned me that I only have a gig of space left. But when I open the disk usage analyzer and scan the filesystem / is 96% full but none of the folders it contains show they are full at all (except home which is on it's own partition. The directory of / shows that it is only 7600 full :

bmike1@c521 / $ ls -l
total 104
drwxr-xr-x   2 root root  4096 Sep 24 08:39 bin
drwxr-xr-x   3 root root  4096 Aug  9 06:33 boot
drwxr-xr-x   2 root root  4096 Oct 25  2014 cdrom
drwxr-xr-x  17 root root  4560 Sep 25 10:19 dev
drwxr-xr-x   2 root root  4096 Oct 25  2014 entertainment
drwxr-xr-x 164 root root 12288 Sep 25 10:19 etc
drwxr-xr-x   4 root root  4096 Jun  6 17:35 home
lrwxrwxrwx   1 root root    33 Dec 22  2014 initrd.img -> boot/initrd.img-3.13.0-37-generic
lrwxrwxrwx   1 root root    33 Oct 25  2014 initrd.img.old -> boot/initrd.img-3.13.0-24-generic
drwxr-xr-x  26 root root  4096 Mar 16  2015 lib
drwxr-xr-x   2 root root  4096 Feb 26  2015 lib32
drwxr-xr-x   2 root root  4096 Feb 26  2015 lib64
drwx------   2 root root 16384 Oct 25  2014 lost+found
drwxr-xr-x   3 root root  4096 Oct 26  2014 media
drwxr-xr-x   2 root root  4096 Jan  2  2015 mnt
drwxr-xr-x   5 root root  4096 Feb 23  2015 opt
dr-xr-xr-x 214 root root     0 Sep 25 09:36 proc
drwx------  14 root root  4096 Mar  6  2015 root
drwxr-xr-x  28 root root   940 Sep 25 09:43 run
drwxr-xr-x   2 root root 12288 Sep 24 08:39 sbin
drwxr-xr-x   2 root root  4096 May 29  2014 srv
dr-xr-xr-x  13 root root     0 Sep 25 09:37 sys
drwxrwxrwt  14 root root  4096 Sep 25 17:44 tmp
drwxr-xr-x  11 root root  4096 Nov 11  2014 usr
drwxr-xr-x  12 root root  4096 Nov  3  2014 var
lrwxrwxrwx   1 root root    30 Dec 22  2014 vmlinuz -> boot/vmlinuz-3.13.0-37-generic
lrwxrwxrwx   1 root root    30 Oct 25  2014 vmlinuz.old -> boot/vmlinuz-3.13.0-24-generic

 $ df /
Filesystem     1K-blocks     Used Available Use% Mounted on
/dev/sdb1       23642608 21332532   1086256  96% /
 
Where did all of my space go?
Is my understanding wrong?
--
:-)~MIKE~(-:

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