• Binary, buffered, and
• System process arguments,
• File system interface
• Socket streams
• Unit test assertions, running, and reporting
• Web server gateway interface, JSGI
• Local and remote packages and package management
• System process arguments, environment, and streams
• File system interface
• Socket streams

• Binary, buffered, and
• System process arguments,
• File system interface
• Socket streams
• Unit test assertions, running, and reporting
• Web server gateway interface, JSGI
• Local and remote packages and package management
• System process arguments, environment, and streams
• File system interface
• Socket streams

• System process arguments, environment, and streams
• File system interface
• Socket streams

• Binary, buffered, and
• System process arguments,
• File system interface