disk-usage

# Disk Usage Analyze disk space and find what's taking up room. ## Overview - Filesystem usage: `df -h` - Current directory: `du -sh .` - Subdirectory sizes: `du -sh */ | sort -rh` - Top 20 largest dirs: `du -h --max-depth=2 | sort -rh | head -20` ## Find large files - Top 20 largest files: `find . -type f -exec du -h {} + | sort -rh | head -20` - Files over 100MB: `find . -size +100M -type f -exec ls -lh {} \;` - Files over 1GB: `find . -size +1G -type f -exec ls -lh {} \;` ## Cleanup candidates - Old log files: `find /var/log -name "*.gz" -mtime +30 -type f` - Core dumps: `find / -name "core.*" -type f 2>/dev/null` - Docker: `docker system df` (if Docker is installed) - Package cache (apt): `du -sh /var/cache/apt/archives/`