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The Linux df Command: Finding Disk Space

The Linux df Command: Finding Disk Space

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The Linux df Command: Finding Disk Space

"Your disk is full." Three vague words from my boss. Which disk? Which folder? Using df, I found the answer in seconds. Let me show you how.

First df Commands

Basic

df

Human readable

df -h

Shows KB, MB, GB.

Filesystem type

df -T

Shows filesystem type.

Specific filesystem

df -h /dev/sda1

df Commands That Work

With inode info

df -i

Inode usage.

Total summary

df -hT --total

Everything with grand total.

Local filesystems

df -ht ext4

Only ext4.

Conclusion: df Is Essential

df shows which filesystems are full. Use -h always.

The df Command Builder makes filtering easy.

Further Reading

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