Disk

• Usage
  • du -sh $folder
    • d is disk
    • u is usage
    • -s, --summarize
    • -h, --human-readable
• Find which sub-folder takes up how much disk
  • du -h --max-depth=1 | sort -hr
• Find all folders' size
  • du -sh .[!.]* *
• Find free space df -h $folder