# swift > Create, run and build Swift projects. > More information: . - Start a REPL (interactive shell): `swift` - Execute a program: `swift {{file.swift}}` - Start a new project with the package manager: `swift package init` - Generate an Xcode project file: `swift package generate-xcodeproj` - Update dependencies: `swift package update` - Compile project for release: `swift build -c release`