# fscrypt > Go tool for managing Linux filesystem encryption. > More information: . - Prepare the root filesystem for use with `fscrypt`: `sudo fscrypt setup` - Prepare a specific mountpoint for use with `fscrypt`: `fscrypt setup {{path/to/directory}}` - Enable filesystem encryption for a directory: `fscrypt encrypt {{path/to/directory}}` - Unlock an encrypted directory: `fscrypt unlock {{path/to/encrypted_directory}}` - Lock an encrypted directory: `fscrypt lock {{path/to/encrypted_directory}}`