# system function

The system function is used to issue a command. Execution of your program will not continue until the command has completed.

    Library:   stdlib.h

    Prototype: int system(const char *cmd);

    Syntax:    system( "cat /etc/hosts");

    Notes:
    	   In Unix systems, the command is passed to "/bin/sh -c" for
               execution. I do not know what handles the command in DOS systems.

example program.

## See Also:

- popen Open a pipe.
- pclose Close a pipe.

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