Call the scripts on the command line either this way:

mzscheme -r hello1.ss

or

mzscheme --script hello1.ss

or change the executable flag of the script and run the script directly:

chmod +x hello1.ss
./hello1.ss


Simple command-line scripts for generating "Hello World"
- Hello1 (source)
- Hello2 (source)

Reading command line arguments
- CommandLine1 (source)
- MzScheme (source)