Shows space used by each directory of the root filesystem excluding mountpoints/external filesystems (and sort the output)

find / -maxdepth 1 -type d | xargs -I {} sh -c "mountpoint -q {} || du -sk {}" | sort -n
Useful to see at glance which directory under the root file is using most space
Sample Output
[root@server ~]# df -h
Filesystem               Size  Used Avail Use% Mounted on
/dev/mapper/vm-root       18G  7.8G   11G  44% /
devtmpfs                 1.3G     0  1.3G   0% /dev
tmpfs                    1.3G     0  1.3G   0% /dev/shm
tmpfs                    1.3G  9.5M  1.3G   1% /run
tmpfs                    1.3G     0  1.3G   0% /sys/fs/cgroup
/dev/sda1               1014M  287M  728M  29% /boot

[root@server ~]# find / -maxdepth 1 -type d | xargs -I {} sh -c "mountpoint -q {} || du -sk {}" | sort -n
0       /mnt
0       /srv
0       /vbox_share
212     /tmp
256     /root
48856   /etc
72692   /media
177668  /opt
933676  /home
2238568 /var
4586604 /usr

By: acavagni
2019-03-04 11:59:10

2 Alternatives + Submit Alt

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What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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