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rated 0 times [  4] [ 0]  / answers: 1 / hits: 2083  / 3 Years ago, sat, june 26, 2021, 9:39:34

Output of 



sudo df -h


is 



Filesystem                                              Size  Used Avail Use% Mounted on

rootfs                                                  9.2G  5.7G  3.1G  65% /

udev                                                     10M     0   10M   0% /dev

tmpfs                                                   357M  720K  356M   1% /run

/dev/disk/by-uuid/13605893-3936-4fd6-a7f5-e249f16c3f72  9.2G  5.7G  3.1G  65% /

tmpfs                                                   5.0M  4.0K  5.0M   1% /run/lock

tmpfs                                                   2.2G  2.5M  2.2G   1% /run/shm

/dev/sda6 



                                          278G   12G  252G   5% /home


whereas 



sudo du -sh /dev/sd*


gives



0   /dev/sda

0   /dev/sda1

0   /dev/sda2

0   /dev/sda5

0   /dev/sda6


o_O


More From » command-line
 Answers
7

Your raw devices are listed in /dev/, but that's not where the file system lives. Once the device is mounted it's available in the mount point, as listed in the "Mounted on" column.



You should run du on or somewhere in a mount point to count the usage on the file system. E.g.:



sudo du -sh /home


What you were doing is asking how much space the device listing is using in the virtual file system /dev. This is nothing, as it's purely virtual.


[#27709] Sunday, June 27, 2021, 3 Years  [reply] [flag answer]
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