Useful commands

This shows how much disk space you have left on the current drive and then tells you how much every file/directory takes up. e.g.,

Filesystem      Size  Used Avail Use% Mounted on
/dev/sdb2       206G  167G   29G  86% /
115M    node_modules
2.1M    examples
68K     src
4.0K    webpack.config.js
4.0K    README.md
4.0K    package.json

df -h .; du -sh -- * | sort -hr