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How to see inode usage

Use the df command with the --inodes to see inode usage on a file system.

Show inode usage

The output of df --inodes will include the total number of inodes (Inodes), how many there are in use (IUsed), and remaining ones (IFree). For easier understanding its usage, the inode usage will also be listed in a percentage (IUse).

# df --inodes
Filesystem                          Inodes  IUsed    IFree IUse% Mounted on
tmpfs                               500759    765   499994    1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv   933888 144120   789768   16% /
tmpfs                               500759      4   500755    1% /dev/shm
tmpfs                               500759      3   500756    1% /run/lock
/dev/sda2                           114688    320   114368    1% /boot
tmpfs                               100151     25   100126    1% /run/user/1000             15283468  31186 15252282    1% /mnt/projects

To shorten this command, combine the options and use df -i.

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