18.1 Running Racket or GRacket
18.1.1 Initialization
18.1.2 Exit Status
18.1.3 Init Libraries
18.1.4 Command Line
18.1.5 Language Run-Time Configuration
18.2 Libraries and Collections
18.2.1 Collection Links
18.3 Interactive Help
18.4 Interactive Module Loading
18.5 Debugging
18.5.1 Tracing
18.6 Kernel Forms and Functions