Linux & the Command Line / Servers and scripts
Lesson 23 of 30
Disk and memory
df -h shows free disk space, du -sh shows how big a folder is, and free -h shows memory.
Key points
- -h means human-readable sizes
- du -sh * finds big folders
- A full disk breaks many services
df -h
du -sh /var/log
free -hQuiz · +10 XP
Which command shows free disk space?
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