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Program Input and Output

The initial environment provides a Vcon capability used as the standard input/output stream. Output is usually connected to the parent of the program and displayed as debugging output. The standard output is also used as a back end to the C-style printf functions and the C++ streams.

Vcon services are implemented in Moe and the loader as well as by the L4Re Microkernel and connected either to the serial line or to the screen if available.

See also
  Virtual Console